Heater and Cluster acting funny - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

Everything Electrical & Electronic Have an electrical problem? Lighting, Alternators, gauges, DIC, HUD, etc? Post it here. Please post Audio problems in the Audio forum, and Engine control problems in the appropriate Mechanical forum for your year.

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Old 03-12-2007, 11:44 PM   #11
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No, the car does not have to be running, and we're looking for volts. This will show what, if any, voltage is being dropped across the cables. It would be helpful to measure the battery voltage (positive to negative) along with it.
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