Lull 944E-42 Service Manual - Manual (Page 629)

9.119 Model 644E-42/944E-42 Rev. 6/04
Electrical System
Replace rear
wiper switch/motor.
If OK
Check wire [RWP] (GRN/YEL) to
rear wiper switch/motor for
battery voltage. Check ground
wire [RWG] (BLK) for
proper ground.
Rear wiper is inoperative
Before troubleshooting any
electrical circuit, ALWAYS begin
by checking the following:
1. Fuses.
2. All connections relating to
circuit are clean and tight.
3. All grounding straps are intact
and securely fastened, refer to
Section 9.1.12, “General
Overview (Vehicle Ground
Strap Locations).”