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    4. I have a 2003 Pontiac Grand Am & after running the rear defroster for about 15 minutes, there is only a quarter size area by the ground wire tab that start to defrost on a cold morning. I am getting full voltage all the way across the grid right up to the tab that the ground wire attaches to. If I pull the ground wire off and attach a volt meter to the wire, I still get full voltage across the grid. When I touch the tab with the voltmeter, I get a drop of 1-2 volts from the grid reading. It
    I have a 2003 Pontiac Grand Am & after running the rear defroster for about 15 minutes, there is only a quarter size area by the ground wire tab that start to defrost on a cold morning. I am getting full voltage all the way across the grid right up to the tab that the ground wire attaches to. If I pull the ground wire off and attach a volt meter to the wire, I still get full voltage across the grid. When I touch the tab with the voltmeter, I get a drop of 1-2 volts from the grid reading. It

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    0  Views: 1506 Answers: 1 Posted: 11 years ago
    Tags: repair
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      1 Answer

      time for a different grid and a different tab.

      11 years ago. Rating: 0
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