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81 rear defrost

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Old May 12, 2014 | 06:04 PM
  #1  
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Default 81 rear defrost

posted on tech board to, but figured I would post here too thanks in advance, I know someone has a 81-82 in the warm weather and if they can try theirs that would be great

was able to locate a original rear defrost switch from another forum member, received it and figured that I would open my original one apart and see if I could fix it when I had it out I heard a rattle and the only thing wrong with mine was that the light did not work, so after I opened it I found the original bulb and attempted to re solder it back to board after checking that it would still light up and it did. so after failing at getting it to reconnect, I picked up a new bulb from Napa, and soldered that on the board and it works, but its above 80 degrees here today and it wont stay on, I never tried it when it was this warm, is that why it doesn't stay on, or did I damage the board can anyone try theirs in a 81-82 of if you have before and it wont stay on when its that warm could you let me know
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Old May 13, 2014 | 04:24 AM
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I'll see if I can time mine to see how long it stays on...

2:50 seconds this time... Not sure what sets it off... But it gets the job done.

Last edited by FireballXL5; May 13, 2014 at 04:27 AM.
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Old May 13, 2014 | 07:40 AM
  #3  
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I haven't timed mine but I can tell you that it does stay on for a while in warmer temps. I sometimes use it to clear condensation rather than ice which we rarely have here.
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