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

Test Light

Test Light
The test light, as shown in figure, uses a 12 V bulb. The two lead wires should be connected to probes. The test light is used for simple voltage checks and in checking for short circuits.






CAUTION: When checking the engine control module (ECM), never use a bulb exceeding 3.4 W