Dash

wv mm 54.04.000
  1. Uncover the electrical power center and remove the fasteners. See Fig..

    1. Fuse, Relay, and Circuit Breaker

    Fig. 1, Electrical Power Center

  2. Check the wiring harness for movement that could strain the electrical connections. Install more clamps on the harness, if needed.
  3. Check all the wiring for chafing, kinks, and discolored insulation. Find the cause of any problems, then repair, replace, or reroute the wires, as needed.
  4. Check that all the relays are firmly seated in their mounting plates.
  5. Remove the instrument and control panels and check all the wiring behind them for kinks, chafing, heat damage, and discolored insulation. Reroute, repair, or replace the wires as needed.
  6. Check the tightness of all the electrical connections behind the panels. Make sure that all male and female connectors are firmly connected, and check the tightness of the nuts on the ring connectors. Tighten them 30 lbf·in (339 N·cm).
  7. Test the electric horn. If it is not fully operational, use the schematics and troubleshooting information in General Description, Wiring and of the Walk-In Van Chassis Workshop Manual to identify and repair any problems.
Note:
Parent topic: Checking the Electrical System
Document Number: 0000117040
Manual Publication Date: 2024-05-14
Topic Publication Date: 2024-11-19