FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Electrical Components







When testing components it is very important that the battery voltage is normal (approximately 12 V). If necessary a battery charger can be connected during the test.

Connect battery charger to battery terminals. Charge the battery for 10 hours at the recommended charge current, but not higher than 6 A.

Example: If the battery is marked 520 A the recommended charge current is 0.01x520+5.2 A.

A higher than recommended charge current can damage the battery.

NOTE: Boost charging (with a high current or voltage above 16 V) will damage the battery and is prohibited.

Connecting and Disconnecting Control Modules:





The ignition must always be switched off when connecting and disconnecting the control modules, connectors and breakout box.

The ignition should also be switched off when measuring with the ohmmeter.

Temperature:





The control modules must not be heated above 80°C. Remove the control modules when, for example, baking paint.

Arc Welding:
Always remove the battery negative lead, to prevent closed circuits occurring.

Position the welding ground as close to the welding site as possible, otherwise different ground potentials could be generated in different components.

If welding is to take place in the immediate vicinity of a control module, the control module must be removed to avoid heat damage.

Replacing:
Do not replace a control module without checking its wiring and components. The new component may be damaged in the same way as the old one.

NOTE: Make a note of the radio code before disconnecting the battery leads and the car is without voltage supply. Re-enter the code when the work has been completed.





When replacing the battery on cars with the new VGLA alarm, the siren does not need to be disconnected.