Preparation For Test

1. Battery voltage 11-14 V.
2. Fuses F3-28, F4-10 okay (Model 140).
Fuses F20-6, F22/2-1 okay (Model 129).
3. Known good service area.
4. Good ground contact.
5. Check harness and antenna connections for good contact.
6. Verify NAM programming.

See Electrical Wiring Diagrams.

Special Tools:

Conventional Tools, Test Equipment:
Description Brand, model, etc.
Digital multimeter 1) Fluke models 23, 83, 85, 87

1) Available through the MBNA Standard Equipment Program.