Model 4700 Maintenance Manual

Single Traction Motor Trucks >S/N 10676

246J102-1 GND B– supply from Battery. This B– is used by LP1 and LP2. If not present, follow back towards B– until loss can be determined.

247J102-2 TAIL LIGHTOutput from VM (J34-1) to the Right Tail Light (LP2). If not present, check VM, wiring, and connections.

248J102-3 TAIL LIGHTTied to J102-2.

249J102-4 TAIL LIGHTOutput from VM (J34-1) to the Right Brake Light (LP1) when traveling and changing direction or traveling and pressing brake pedal. If not present, check VM, wiring, and connections.

250J102-5 BRAKE LIGHTTied to J102-4.

251J102-6 NOT USED

252J103 AC+, N–Connection for optional Forward Right Work Light (LP6).

253J104 AC+, N–Connection for optional Forward Left Work Light (LP7).

254J105 AH+, N–Connection for optional Backward Left Work Light (LP9).

255J106 AH+, N–Connection for optional Backward Right Work Light (LP8).

256J107-1 +V

Voltage from the HCB (JCM-2) to the Lowering (EVP1) Solenoid. If not present, check the HCB, fuse F15, wiring, and connections.

Section 8.Theory of Operation

Matrix

257J107-2 LOW

Voltage from the HCB (JCM-1) to turn on the Lowering Solenoid (EVP1). If not present, check the HCB, wiring, and connections.

Approx. 2-11V wrt B+ (approx. 18ohms across coil)

HCBEVP1

258J108-1 +V

Voltage from the HCB (JCM-2) to the Lifting Solenoid (EV2). If not present, check the HCB, fuse F15, wiring, and connections.

259J108-2 LIFT

Voltage from the HCB (JCM-3) to turn on the Lifting Solenoid (EV2). If not present, check the HCB, wiring, and connections.

Approx. 24V wrt B+ (approx. 27ohms across coil)

HCBEV2

260J109-1 +V

Voltage from the HCB (JCM-5) to the Tilt Forward Solenoid (EV3). If not present, check the HCB, fuse F16, wiring, and connections.

Publication 1160093, Issued: 20 May 2013