1. Battery voltage 11 - 14 V. 2. Check fuses. 3. Systems and fluid levels in order. Caution: To prevent damage to the control modules, the connectors on the control modules must only be removed or installed with the ignition OFF . Electrical wiring diagrams: See Electric Troubleshooting Manuals, group 54

Conventional tools, test equipment

Description	Brand, model, etc.
Multimeter 1)	Sun DMM-5 Fluke models 1) 23, 77 III, 87, 88

1) Available through the MBUSA Standard Service Equipment Program.