1. Battery voltage 11 - 14 V. 2. Check fuses. 3. Systems and fluid levels in order. Note: To prevent damage to the control modules refered to in 23 , the connectors on the control modules must only be removed or installed with the ignition OFF . Electrical wiring diagrams: See Electric Troubleshooting Manual, Model 210, group 54

Conventional tools, test equipment

Description	Brand, model, etc.
Multimeter 1)	Fluke models 23, 83, 85, 87

1) Available through the MBUSA Standard Equipment Program.