Service Manual

627333-A 6-i
Contents
Challenger
®
Terra Gator 3244
Chassis
SERVICE MANUAL
627333-A
06 - Electrical
Contents
GENERAL INFORMATION
Introduction ................................................................................................................................................ 6-1
Basic Troubleshooting Procedures ............................................................................................................ 6-1
Tools .......................................................................................................................................................... 6-2
General Testing Procedures ...................................................................................................................... 6-3
Visual Inspection ................................................................................................................................. 6-3
Continuity Check ................................................................................................................................. 6-3
Voltage Check ..................................................................................................................................... 6-3
Testing for Open Circuits ..................................................................................................................... 6-3
Finding a Break in an Open Circuit ..................................................................................................... 6-3
Testing for Short Circuits ..................................................................................................................... 6-4
Testing for High Resistance ................................................................................................................ 6-4
Finding a High Resistance Circuit ....................................................................................................... 6-4
Fuse Testing ........................................................................................................................................ 6-4
Relay Testing ...................................................................................................................................... 6-4
Diode Testing ...................................................................................................................................... 6-4
Wire Colors ................................................................................................................................................ 6-5
ELECTRICAL SYSEM
Description ................................................................................................................................................. 6-7
Requirements ............................................................................................................................................ 6-7
Definition .................................................................................................................................................... 6-7
Component Location .................................................................................................................................. 6-8
Primary CAN Bus Components ................................................................................................................. 6-9
PDM ......................................................................................................................................................... 6-16
PDM1 ................................................................................................................................................ 6-17
PDM2 ................................................................................................................................................ 6-17
PDM3 ................................................................................................................................................ 6-18
2-Pack Relay Modules ...................................................................................................................... 6-18
4-Pack Relay Module ........................................................................................................................ 6-19
Flasher Module .................................................................................................................................. 6-19
Power Supply Block .......................................................................................................................... 6-21
INDEX ......................................................................................................................................................... 6-23