cat 374d electrico

8/18/2019 cat 374d Electrico

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374D Excavator Electrical System

PJA1-UP

PAP1-UP

PAS1-UP

PAX1-UP

© 2010 Caterpillar, AllRights Reserved

Pressure

Symbol

T

Temperature

Symbol

Harnes

Symb

Harness And Wire

Fuse: Acomponent in an el

through it.

Switch (Normally Open): A

circle indicates that the comp

Switch (Normally Closed)

No circle indicates that the w

Ground (Wired): This indic

grounded wire is fastened to

Ground (Case): This indica

It is grounded by being fasten

Reed Switch: Aswitch whos

contacts of a normally open

Sender: Acomponent that i

measures the temperature

the gauge of the temperatureT

Relay (Magnetic Switch): A

It has a coil that makes an e

electromagnet can open or c

Magnetic Latch Solenoid:

activated by electricity and h

that make electromagnet wh

the latch coil circuit open at

Solenoid: Asolenoid is an e

coil that makes an electrom

can open or close a valve o

1

2

AG-C4111-7898

L-C3E-5

Part Number: for Connector Plug

Plug

1

1

2

2

Sure-Seal connector: Typicalrepresentation

of a Sure-Sealconnector. The plug and receptaccontain both pins and sockets.

Deutsch connector: Typicalrepresentationof a Deutsch connector. The plug contains all

sockets and the receptacle contains allpins.

Wire, Cable, or Harness Assembly Identification: Includes

Harness Identification Letters and

Harness Connector Serialization

Codes (see sample).

218

8

10

11

42

26

27

282930

3 1 3 2 3 3

3 4 3 5

36

373 8 3 9 4 0

43

9 3 9 49596

100

85

86

87

88

102

89

9091

92

101

103

104

105

106

107

193

217

2

23

59 60 61

153

76

69

99

118

122

135

150

144

161

159

141

143

145

147

151157

160

162

164

165 167169

171

172

179

180

221

211

23

116129

132

133

136

140

149

173174

142

146 148152

154

155

156

163

166168170

192

207

208

209

189

194

199

3

14

17

41

74

73

97

98

219

1

138 139

177

2122

15

58

24

25

220

64

65

67

68

7880

79

188

186

206

210

212

215

131

182 183 184185

198200

201

202

77

213

214

216

20

137

178

191

203

81

5

7

4

6

9

16

19

18

8375

82

70

12

13

44

45

46

4 9 5 3

175

5 2 5 4

56

54

57

4 8 5 0

51 66

71 72

108109

110

111

112

113 114

115

158

187

204 205

47

LEFT SIDE VIEWFRONT VIEW

120 119 130123124125

126127128 131

117121

176

6 2 6 3

224

226227

228232

223

234242 243

244

245

246

298

223

222

236

237

238

239

240

241

250

251

254255

260

261

263

265267

268266

269270271

285

231

248

252

262

264

276

277

278

279

229

230

256

280

282

283

284

286

287

288

289290

291292

293

294

295

296

299

297

225

235

247

249

253

257

258

259

273

274275

CID Component0 0 01 C y li n de r #1

0 0 02 C y li n de r #2

0 0 03 C y li n de r #3

0 0 04 C y li n de r #4

0 0 05 C y li n de r #5

0 0 06 C y li n de r #6

0 0 9 1 Th rottl e P osi ti on

0 0 9 4 Fu e l P re ssu re

0 1 0 0 E n g in e O i l P re ssu re

0 1 0 2 B o o stP re ssu re S en so r

0 1 1 0 E n g in e Co ola n tTemp e ra tu re

0 1 6 8 S ystem V o l tag e

0 1 7 2 In ta ke Ma n ifo ld A irTe mp era ture

0 1 7 4 Fu e l Te mpe ra ture

0 19 0 E n gi n e Sp ee d

0 24 8 C a t Da t a Li n k

0 2 6 1 E n g in e Timin g Ca l ib ra ti o n

0 2 6 2 5 V o l tS en so rDC P o we rS u pp ly

0268 Check ProgrammableParameters

0 2 7 4 A tmo sp h e ri cP re ssu re

0 2 86 E M S Oi l L am p

0 2 9 1 E n g in e Co ol i n g Fan S o len o id

0 3 4 2 S e con d a ryE n g in e S p ee d

2 4 1 7 S ta r tAid In jecti o n Co n tro l S o len o id

Component Identifiers (CID¹)

ModuleIdentifier (MID²)

EngineControl

(MIDNo. 036)

CID Component0 1 6 8 E le ctr i cal S yste m V o lta g e

1 1 2 9 Rig htS id e A tta ch me n tP e da l S e n so r

1 1 3 0 L e ftS id e A ttach men tP e d al S e n so r

1 5 2 2 Re l i efV a lve No.2 Ch e ck V a lve S o len o id

1 5 2 3 Re l i efV a lve No.1 Ch e ck V a lve S o len o id

1593 AttachmentValveNo.1ExtendPressureSolenoid

1595 AttachmentValveNo.3ExtendPressureSolenoid

1596 AttachmentValveNo.1RetractPressureSolenoid

1598 AttachmentValveNo.3RetractPressureSolenoid

1 6 0 9 F2 Type V a lve Lo a d S en se P ressu re Se n sor

1 6 1 5 O n e Way/Two Wa yV a lve S o len o id

1 6 5 7 L e ftJoysti ck Th u mb wh e e l

1 6 5 8 Rig htJo ystick Th u mb whe e l

1 6 6 5 V a r ia b le Rel i e fV alve No .1 P re ssu re S o len o id

1 6 6 6 V a r ia b le Rel i e fV alve No .2 P re ssu re S o len o id

ATCHMachineControl

(MIDNo. 106)

CID Component0 0 9 6 Fu e l L e vel S e nd e r

0 1 0 0 E n gin e O i l P re ssu re S en so r

0 1 1 0 E n gin e Co ola n tTemp e ra tu re S e n so r

0 1 7 7 E n g in e Co ola n tTemp e ra tu re S e n so r2

0 2 48 D a ta L in k

0 2 6 3 S e n so rP o we rS u pp ly

0 2 71 A c ti o nA l ar m

0 3 24 A c ti o nL a mp

0 6 0 0 Hyd rau l i cO il Te mpe ra ture S e nd e r

0 7 5 7 O i l Pre ssure S e nso r

0 8 1 9 Disp la yDa ta Lin k

0 8 2 1 Disp la yP o we rS u pp ly

Monitor

(MIDNo. 030)

CID Component0 0 9 6 Fu e l Le ve l S e n so r

0 1 6 7 A l te rn a torCh a rgin g V ol ta g e Se n sor

0 1 6 8 E le ctr i cal S yste m V o lta g e

0 1 9 0 E n g in e S p ee d S e nso r

0 2 4 6 P ro pr ie tar yCA N Da ta Lin k

0 2 4 7 S A E J1 9 39 Da ta L in k

0 24 8 C A T D at a L in k

0 2 5 4 E le ctr o n icCo n tro l Mo d u le

0 27 1 A c ti o nA l ar m

0 2 9 1 E n g in e Co ol i n g Fan S o len o id

0 3 7 4 S wing B ra ke So le no id

0466 LeftTrack SteeringPedal PositionSensor

0467 RightTrack SteeringPedal PositionSensor

0 4 8 5 E n g in e Fa n Reve rsin g S o le n o id

0 5 8 1 P o werS h i ftSo le no id

0 5 8 6 E n g in e S p ee d Dial S wi tch

0 5 8 8 Mo n ito r i ng S ystem Displa y

0 5 9 0 E n g in e Co ntro l Mod u le

0 6 0 0 Hyd rau l i cO il Te mpe ra ture S e nso r

0 5 9 8 Tra vel S p e e d So le no id

0 7 9 0 S wing P u mp (Ou tlet)P re ssu re S en so r

0864 VariableImplementPumpOil PressureSensor

1 1 1 8 Ne u tra l Flo wB yp a ssS ole n oid

1125 LeftHandLeverForward/BackwardPositionSensor

1 1 2 6 L e ftHan d L e verL e ft/Rig h tP osi ti on S e n so r

1127 RightHandLeverForward/BackwardPositionSensor

1 1 2 8 Rig htHa n d L eve rL e ft/Righ tP o siti o n S en so r

1129 RightAttachmentPedal PositionSensor

1 1 3 0 L e ftA tta ch me n tP e da l P o siti o n S en so r

1 1 3 8 B o o m Cyl i nd e rRod Re tractS o len o id

1 1 3 9 S ti ck Cyl in d e rRod E xte nd S o len o id

1 1 4 0 S ti ck Cyl in d e rRod Re tractS o len o id

1 1 4 1 B u cketCyl i nd e rRo d Exte n d So le no id

1 1 4 2 B u cketCyl i nd e rRo d Re tractS o len o id

1 1 4 3 S wing Rig htS o le no id

1 1 4 4 S wing L e ftS ole n oid

1149 Boom LoweringCheck/ModulationValveSolenoid

1 1 5 0 S wing P u mp Swa sh P la te A ng le S ole n oid

1159 Stick LoweringCheck/ModulationValveSolenoid

1 1 6 0 Hyd ra u l i cLo ck S o le no id

1 1 6 3 L e ftTrave l B a ckwa rd S ole n oid

1 1 6 4 Rig htTra vel B a ckwa rd S ole n oid

1 1 6 5 Rig htTra vel Fo rwa rd S ole n oid

1 1 6 6 L e ftTrave l Fo rwa rd S ole n oid

1193 Boom CylinderRodExtensionSolenoid

1 6 5 7 L e ftJo ysti ck Th umb whe e l

1 6 5 8 Rig ht Jo ysti ck Th umb whe e l

1969 Boom CylinderHeadEndPressureSensor

2103 Boom CircuitRegenerationSolenoid

2269 Stick CircuitRegenerationSolenoid

2 2 8 0 Tra vel A larm Re la y

2 3 00 S w it c h Pa ne l

2997 ImplementValveLoadSensePressureSensor

3043 MainHydraulicPumpLoadSenseReductionEnableSolenoid

3044 MainHydraulicPumpLoadSenseReductionSolenoid

MachineControl

(MIDNo. 039)

CID Component

0 1 6 8 E le ctr i cal S yste m

0 2 5 4 E le ctr o ni cCo n tro l Mo d u le

0 2 6 9 S e nso rP o we rS u pp ly

1 2 5 0 Re mote Co mmu n ica ti o n Mo d u le

1 2 5 1 A l te rn a to rR-Te rmin al

Product Link

(MIDNo. 122)

Event Code Condition

E 0 0 15 E n gin e O utp u th asDe crea se d

E 0 0 17 E n gin e Co ola n th asO ve rhe a ted

E 0 0 23 E n gin e O utp u th asDe crea se d

E 0 0 43 Th e o utp u to fthe P o werS u p plyi s1 8 V DC o r le ss

E 0 05 0 Th e o utp u to fthe P o werS u p plyi s3 2 V DC o rg rea te r

E 0 09 5 Th e Fue l Fi l ter i sp lu gg e d

E 0 10 0 Th e o il p re ssu re o fthe E n g in e h a sd ecre ase d

E0252 Anunauthorizedkeyhasbeenusedinordertostartthemachine

E0600 TheHydraulicOil oftheMachinehasoverheated

E 0 8 61 Th e clock mu stb e set

E1046 HydraulicOil Temperatureishigherthanthelimitthatisrecommendedfortheattachedtool

Event Codes

MachineControl


E 0 1 72 Hig h Ai rFi l terRe stri cti on

E 0 2 65 Use rDefin e d Sh u tdo wn

E 0 3 60 L o wE ng in e Oi l P re ssu re

E 0 3 61 Hig h En g ine Co o la n tTe mp e ratu re

E 0 36 2 E n gin e O versp ee d

E 0 39 0 Fu e l Fil te rRestr i cti o n

E 0 53 9 Hig h Inta ke Man i fold A i rTemp e ra tu re

Event Codes

EngineControl


E 0 6 30 S wi tch e d Se n sor# 1 tr i p con d i ti o n i sa cti va ted




E0861 Synchronizedclock notificationofmanual synchrequired

E2131 InclusionGeo-Fencingboundaryviolated

E2132 ExclusionGeo-Fencingboundaryviolated

E 2 13 3 Time -Fe n cin g b o un d a ryvio late d

Event Codes

Product Link

F MI N o. F ai lu re De sc ri pt io n

0 Da ta val i d b u tab o ve n orma l o p e rati o na l r a n ge .

1 Da ta val i d b u tbe lo wn orma l o p e rati o n al r a n ge .

2 Da ta e rra ti c,i n te rmi tte nt,o r i n cor re ct.

3 V o l tag e a b ove n o rma l o r sh o rte d h igh .

4 V o l tag e b e lo wn o rma l o r sho r te d lo w.

5 Cu r re n tb e lo wn o rma l o ro pe n ci r cu i t.

6 Cu r re n ta b ove n o rma l o rg ro un d e d ci r cu it.

7 Me cha n ica l system n o tre sp o n din g p ro p e rl y.

8 A b n orma l fr e qu e n cy,p u l se wid th,o rp e r io d .

9 A b no r ma l up d at e .

1 0 A b n orma l r a te o fcha n g e.

1 1 Fa i l ure mo de n o ti d en ti fia b le.

1 2 B a d d evi ce o rcomp o ne n t.

1 3 O u t of c a li b ra t io n .

1 4 P a rame ter fa i l ure s.


1 6 P a rame tern o ta vai l a ble .

1 7 Mo d ule n o tresp o nd in g.

1 8 S e ns o r su p pl y f au l t.

1 9 C o nd i ti o nn o t me t .


¹TheFMIisadiagnosticcodethatindicateswhattypeoffailurehasoccurred.

FailureModeIdentifiers (FMI)¹

Form Number

REHS0970

A lt er na to r: 1 77 -9 95 3 S EN R4 13 0

S t ar t in g M ot o r: 2 7 2- 7 12 3 S E NR 4 97 5

E ng in eCo nt ro l: R ENR 50 92

M a ch in eCo nt ro l: K ENR 89 55

ATCHMachineControl: RENR8066

Pr od uct L in k: R ENR 79 11

Monitor: SENR1394

Title

Related Electrical ServiceManuals

Cross ReferenceforElectrical Connectors:

Part No. Component Description Resistance (Ohms)¹Position1:32±5%

Position2:56±5%

Position3:35±5%

Position4:35±5%

Position1:10.7±5%

Position2:10.7±5%

Position3:10.7±5%

Position4:55±5%

151-9360 Resistor: Backup Travel LH/RH 10.7 ±5%

174-3016 Resistor: CAN Data Link 120 ±10%

Empty:82-85

Full:7.5-9

112-5874 Solenoid: S wing LH/RH 6.5 ±0.4

AuxiliaryExtend/Retract

Boom Retract

BucketExtend/Retract

Stick Extend/Retract

Travel FrontLH/RH

Travel RearLH/RH

171-3685 Solenoid: HPC On/Off 1/2 32.6 ± 1

189-0189 Solenoid: Neutral FlowBypass 32.6 ± 1

239-1134 Solenoid: S tart Aid 20

¹At room temperatureunlessotherwisenoted.

Solenoid: 5 ±0.3148-2350

1 45 -3 08 4 R es is to r: B oo m B ac ku p

Fuel LevelSender:341-1842

Resistor, Sender and Solenoid Specifications

106-0193 BackupResistor:

Part No. Function Actuate Deactuate Contact Position1

1 3 78 0 k Pa 1 03 3 5± 6 89 k P a

1 9 98 . 6 ps i 1 4 98 . 9 ± 99 . 9 ps i1 03 . 4 ± 13 . 8 kP a 6 9 k Pa M I N

1 4. 9± 2 ps i 1 0p si M IN

NormallyClosed

NormallyClosed

202-9002 Boom LoweringPressure

Fuel Differential Pressure1/2/3

1Contactpositionatthecontactsoftheharnessconnector.

Off-MachineSwitch Specification

212-2768

AREA E AREA A AREA B

AREA C AREA D

ENGINE

Connector Number Schematic

Location

Machine

Location

CONN 1 B-15 222

CONN 2 G-14 223

CONN 3 G-14 224

CONN 4 G-14 225

CONN 5 G-14 226

CONN 6 G-14 227

CONN 7 G-13 228

CONN 8 F-14, E-14, D-14 229

CONN 9 F-14,E-14 230

CONN 10 B-13 231

CONN 11 G-13 232

CONN 12 G-13 233

CONN 13 G-12 234

CONN 14 F-12 235

CONN 15 E-12 236

CONN 16 E-12 237

CONN 17 E-12 238

CONN 18 D-12, D-11 239

CONN 19 B-12 240

CONN 20 D-11 241

CONN 21 G-11 242

CONN 22 G-11 243

CONN 23 G-10 244

CONN 24 G-10 245

CONN 25 G-10 246

CONN 26 F-10 247

CONN 27 F-10 248

CONN 28 D-10 249

CONN 29 D-10 250

CONN 30 D-10 251

CONN 31 A-9 252

CONN 32 C-9 253

CONN 33 D-9 254

CONN 34 D-9 255

CONN 35 H-9 256

CONN 36 I-9 257

CONN 37 G-8 258

CONN 38 F-7 259

CONN 39 D-8 260

CONN 40 D-8 261

CONN 41 C-8, C-7, B-7 262

CONN 42 C-8 263

CONN 43 A-8 264

CONN 44 J-6 265

CONN 45 J-6 266

CONN 46 I-6 267

CONN 47 H-6 268

CONN 48 H-6 269

CONN 49 H-6 270CONN 50 G-6 271

CONN 51 G-6 272

CONN 52 F-6 273

CONN 53 F-6 274

CONN 54 F-6 275

CONN 55 B-6 276

CONN 56 B-6 277

CONN 57 A-6 278

CONN 58 A-6 279

CONN 59 I-4 280

CONN 60 H-4 281

CONN 61 C-4 282

CONN 62 C-4 283

CONN 63 E-3 284

CONN 64 F-3 285

CONN 65 F-3 286

CONN 66 H-2, G-2 287

CONN 67 H-2, G-2 288

CONN 68 H-2, G-2 289

CONN 69 H-2, G-2 290

CONN 70 F-2 291

CONN 71 F-2 292

CONN 72 F-2 293

CONN 73 C-2 294

CONN 74 B-1 295

CONN 75 F-1 296

CONN 77 C-4 297

CONN 78 G-14 298

CONN 100 D-4 299Theconnectorsshowninthischartarefor harnesstoharness

connectors.Connectorsthatjoinaharnesstoacomponentare

generallylocatedatornearthecomponent.Seethe

ComponentLocationChart.

Connector Location

ComponentSchematic

Location

Machine

LocationComponent

Schematic

Location

Machine

Location

Alarm -Action D-1 1 Resistor-CAN DataLink 3(No.1) F-6 113

Alarm -Travel ATCH B-10 2 Resistor-CAN DataLink 3(No.2) F-5 114

Alternator F-12 3 Resistor-CAN DataLink 3(No.3) F-5 115

Battery LH G-16 4 Sender - Fuel Level B-8 116

Battery LH ATCH F-16 5 Sensor -Atmospheric Pressure B-14 117

Bat te ry RH G-1 6 6 Se ns or -Boom Lo we ri ng Co nt rol W arn in gD ev ic eAT CH B- 12 11 8

Battery RH ATCH F-16 7 Sensor - Cam Speed C-14 119

Block AS G-12 8 Sensor - Coolant Temperature C-14 120

Block Gp F-16 9 Sensor - Crank Speed C-14 121

B re ak er -Al ter nat or G-1 6 10 Se ns or -Boom C yl inde rHea dPr es sur e B- 12 12 2

Breaker - Main G-16 11 Sensor - Fuel Pressure 1 D-13 123

Buss Bar 1 G-16 12 Sensor - Fuel Pressure 2 E-13 124

Buss Bar 2 G-16 13 Sensor - Fuel Pressure 3 F-13 125

Camera -Rear View ATCH F-10 14 Sensor -Fuel Temperature 1 E-13 126

Coil - Exciter ATCH H-3 15 Sensor - Fuel T emperature 2 D-13 127

Condenser -A/C C-13 16 Sensor - Fuel Temperature 3 F-13 128

Control - Engine E-16 17 Sensor -Hydraulic Oil Temperature A-8 129

Control -Machine E-6 18 Sensor - Intake Air Pressure C-14 130

C on tro l - Mac hi ne AT CH D -5 19 Se ns or -I nt ak eMan if ol dAi rT em per at ur e C -14 13 1

Control -Wiper E-3 20 Sensor - Load Signal Pressure A-13 132

Control H andle LH A TCH J-4 21 Sensor -Main Pump Pressure B-13 133

Control Handle RH ATCH H-3 22 Sensor - Oil Pressure B-14 134

Converter - 12V/10A ATCH G-9 23 Sensor - Speed F-16 135

Convert er -12V/7A ATCH E-2 24 Sensor -Swing Pump Pressure B-13 136

Convert er -Radio F-3 25 Sensor -Water Separator Level ATCH C-13 137

Diode - Backup 1 I-12 26 Socket - 12V/7A A D-4 138

Diode - Backup 10 I-12 27 Socket - 12V/7A B D-4 139

Diode - Backup 11 I-15 28 Solenoid -A/C Clutch E-12 140

Diode - Backup 2 J-15 29 Solenoid -AuxiliaryExtend C-12 141

Diode - Backup 3 J-15 30 Solenoid -AuxiliaryRetract C-12 142

Diode - Backup 4 J-10 31 Solenoid - Boom Extend B-10 143

Diode -Backup 5 J-11 32 Solenoid -Boom Lowering Check ATCH A-10 144

Diode -Backup 6 J-11 33 Solenoid - Boom Regeneration B-12 145

Diode - Backup 7 I-11 34 Solenoid - Boom Retract C-12 146

Diode - Backup 8 I-11 35 Solenoid -Bucket Extend B-10 147

Diode - Backup 9 I-12 36 Solenoid -Bucket Retract B-12 148

D io de - Ch as si sL am p I -1 5 3 7 S ol en oi d- Co un te rw ei gh tR em ov al C on tr ol A TC H B -1 3 1 49

Diode - Hydraulic Lock 1 J-15 38 Solenoid - Fan Pump A-13 150

Diode -Hydraulic Lock 2 J-15 39 Solenoid - HPC On/Off 1 A-12 151

Diode - Main Relay I-15 40 Solenoid - HPC On/Off 2 A-10 152

Diode -Refueling Relay ATCH B-7 41 Solenoid -Hydraulic Lock B-12 153

D iod e- Sma rt Boom AT CH H- 12 42 So le noi d- Load Sens ing Re duc ti on A- 13 15 4

Di ode -St ar tR el ay I -1 2 43 So le noi d- Load Sens ing Re duc ti on Ex chan ge A- 13 15 5

Fuse Base I-14 44 Solenoid - Neutral Flow Bypass B-12 156

Ground - Cab 1 C-2 45 Solenoid - PS Pressure B-12 157

Ground - Cab 2 E-1 46 Solenoid - Reversing Fan ATCH A-12 158

Ground - Chassis 1 F-16 47 Solenoid - Start Aid ATCH D-13 159

Ground - Chassis 2 E-11 48 Solenoid - Stick Extend B-10 160

Ground -Chassis 3 D-8 49 Solenoid -St ick Lowering Check ATCH A-10 161

Ground - Chassis 4 E-11 50 Solenoid -Stick Regeneration B-12 162

Ground - Chassis 5 G-16 51 Solenoid -Stick Retract C-12 163

Ground - Chassis 7 B-5 52 Solenoid - Swing Brake E-9 164

Ground - Chassis 8 D-7 53 Solenoid - Swing LH A-9 165

Ground - Platform 1 H-9 54 Solenoid - Swing Pump Swash A-13 166

Ground - Platform 2 B-5 55 Solenoid - Swing RH A-9 167

Ground - Relay Panel I-13 56 Solenoid -Travel LH Front B-10 168

Ground Strap -Disconnect (PE) G-16 57 Solenoid -Travel L H R ear C-12 169

Heater - Seat ATCH H-5 58 Solenoid - Travel RH Front C-10 170

Horn - LH Low C-7 59 Solenoid - Travel RH Rear C-12 171

Horn - Middle High B-7 60 Solenoid - Travel Speed Shift A-12 172

Horn -RH L ow B-7 61 Solenoid -Universal Q uick C oupler High ATCH B-10 173

Injector 1- 3 B-14 62 Solenoid -Universal Quick Coupler Low ATCH B-10 174

Injector 4 - 6 A-14 63 Strap AS - Platform-Chassis (PA) B-5 175

Joystick LH J-4 64 Strap AS (PC) F-16 176

Joystick RH H-4 65 Suspension GP - Air ATCH J-5 177

Junction Block F-16 66 Switch - Air Filter C-13 178

Meter - Service D-1 67 Switch - Auxiliary Proximity 1ATCH D-9 179

Monitor E-1 68 Switch - Auxiliary Proximity 2 ATCH C-9 180

Motor - Electric Lube Pump ATCH B-8 69 Switch - Backup Boom I-5 181

Motor - Priming Pump 1 C-13 70 Switch - Backup EPR Valve G-5 182

Motor - Priming Pump 2 E-13 71 Switch - Backup Governor G-4 183

Motor - Priming Pump 3 F-13 72 Switch - Backup Travel LH I-6 184

Motor -Refueling Pump ATCH A-7 73 Switch -Backup Travel RH G-5 185

M ot or - St ar te r F -1 6 7 4 S wi tc h- Bo om L ow er in gC on tr ol W ar ni ng De vi ce AT CH C -3 1 86

Motor - Washer C-13 75 Switch - Boom Lowering Pressure F-7 187

Motor - Wiper I-3 76 Switch - Boom Relief Pressure ATCH C-3 188

Panel -Switch C-1 77 Switch - Capsule Filter A-8 189

Pedal - LH ATCH J-3 78 Switch - Coolant Flow D-14 190

Pedal -Travel J-3 79 Switch - Coolant Level C-13 191

Pedal RH ATCH J-3 80 Switch - Counterweight Removal ATCH B-13 192

Product Link ATCH F-4 81 Switch - Disconnect G-16 193

R ad io -Pro duc tL ink 2n dGen er at ion E- 5 82 Sw it ch -Eng in eOi l Lev el F -16 19 4

R ec ept ac le -J um pS tar t G-16 83 Sw it ch -Fu el D if fer ent ial Pr es sur e1 D -13 19 5

Relay -Beacon ATCH I-11 84 Switch -Fuel D if ferential P ressure 2 E-13 196

Relay -Boom Lamp 1 H-15 85 Switch -Fuel Dif ferential Pressure 3 F-13 197

Relay - Boom L amp 2 H-15 86 Switch - Horn J-5 198

Relay - Cab Lamp I-15 87 Switch - Hydraulic Oil Level A-8 199

Relay - Chassis Lamp I-15 88 Switch - Key G-3 200

Relay - Horn I-15 89 Switch - Neutral Start Limit J-5 201

Relay - Main J-13 90 Switch - One Touch Low Idle H-4 202

Relay- Neutral Start H-15 91 Switch - Priming Pump 1 C-13 203

Relay - Priming Pump I-12 92 Switch - Priming Pump 2 D-13 204

R el ay - Qu ic k C ou pl er Hy dr au li cL oc k 1 AT CH H -1 6 9 3 S wi tc h- Pr im in gP um p3 E -1 3 2 05

R el ay - Qu ic k C ou pl er Hy dr au li cL oc k 2 AT CH H -1 6 9 4 S wi tc h- Ra di oM ut eA TC H C -3 2 06

R el ay - Qu ic k C ou pl er Hy dr au li cL oc k ON A TC H H -1 6 9 5 S wi tc h- Re fu el in gL ev el A TC H A -7 2 07

R el ay - Qu ic k C ou pl er H yd ra ul ic L oc k P ri or it y AT CH H -1 6 9 6 S wi tc h -R ef ue li ng S ta rt A TC H A -5 2 08

Relay -Refueling 1ATCH A-7 97 Switch - Refueling Stop ATCH A-5 209

Relay -Refueling 2ATCH A-7 98 Switch - Seat HeaterATCH C-4 210

Relay -Refueling Power ATCH B-7 99 Switch -Secondary Shutdown J-3 211

Relay -Smart Boom A TCH H-12 100 Switch -Smart Boom S elect ATCH C-5 212

Relay - Start H-10 101 Switch - Throttle Position H-3 213

Relay - Start Aid H-15 102 Switch - Under Window Limit E-1 214

Rel ay -T ra vel Al ar m H- 15 103 Sw it ch -Un ive rs al Qu ic k Cou pl er AT CH B -1 21 5

Resistor - Backup J-15 104 Switch - Window Limit E-1 216

Resistor - Backup Travel LH J-10 105 Terminal Post G-16 217

Resistor -Backup Travel RH J-10 106 Timer -Lamp Delay ATCH J-12 218

Resistor - Boom Backup J-11 107 Unit - A/C H-8 219

Resistor -CAN Data Link 1 (No. 1) F-6 108 Unit -Indicator H-3 220

Resistor -CAN Dat aLink 1 (No. 2) E-5 109 Valve -Float Up Check F-7 221

R es is to r- CA N D at aL in k 1 (N o. 3) C -1 1 10

R es is to r- CA N D at aL in k 2 ( No .1 ) F -6 1 11

R es is to r- CA N D at aL in k 2 ( No .2 ) C -4 1 12

Component Location

8/18/2019 cat 374d Electrico

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cat 374d electrico

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