Oldsmobile Alero Questions
Car-and-Safety.com
Oldsmobile Alero
Wed, 23 Mar 2011
Oldsmobile Alero Reviewed by Gjhv on .
turn it on, use a test light with one end on ...
turn it on, use a test light with one end on the metal grid on the window, and the other end on a metal ground. If it lights you have power and it should work. If not there is a electronic module behind the plastic panel of the rear window, passenger side. 2 wires run in, power and ground. check both. the power wire you can check with the test light. The ground you need a multimeter to check continuity to ground. Mine was a bad ground.
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