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Old 01-14-2008, 07:48 AM
Philoprof Philoprof is offline
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Join Date: Jan 2008
Posts: 99
It's easy to check: turn it on and put the leads of a multi-tester into the defroster plug socket. If you've got juice, there's a short in the grid. You can then test the grid's continuity by putting one multi-tester lead on each of the plug's prongs and passing current through it. No current, no continuity.

1981 380sl
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