HYDRAULIC CONTROL MODULE JUMPER WIRES (CONT)
Connect intervehicular cables and turn on semitrailer running lights and check steering pressure indicator light for
JUNCTION BOX JUMPER WIRES
This task covers:
General mechanics tool kit, item 16, appx. B
The following tools can be found in common tool kit no. 2, item 18, appx. B:
Electrical repair kit
Extension light, 24 ft
Dry cleaning solvent, item 26, appx. E
Intervehicular cables disconnected, wheels chocked, and front and rear support legs lowered supporting platform
Unscrew two captive screws (1) and access cover (2) from junction box TB1 (3).
Using semitrailer electrical schematic (figure FO-1) as a guide, tag and disconnect jumper wire (4) from junction
box TB1 (3) terminals TB1-TEL and TB1-BLK.
Unscrew two captive screws (5) and remove access cover (6) from junction box TB2 (7).
Using semitrailer electrical schematic (figure FO-1) as a guide, tag and disconnect jumper wire (8) from junction
box TB2 (7) terminals TB2-BLU and TB2-BLK.