Discussion in 'Audio & Electronics' started by 707Tahoe, May 18, 2013.
junk yard gives a warranty too at least all the ones I have been to do, usually 30 days
This is what I'm working with:
I think I just found part of the issue. R74 (Bottom in picture) is completely missing a component. That probably explains why the buttons don't light up. Is it possible to use something else to connect it? Like a resistor? No idea what was there originally.
Will take out mirror Saturday and try to resolder all 6 . Did my daughter cluster and all worked great
Just because a component isn't populated doesn't mean it's missing. It's common to design features into a board that aren't implemented, based on which parts are installed. For example, you may not know whether you want a signal pulled high or low, so you do both. Then the parts list will be missing one of the parts (you would never want both populated at the same time). Look to see if the pads look "new" or if something was soldered there and fell off.
Okay new plan. I can't get this mirror to work (Although, recently everything on it did work one morning, including OnStar) so does anyone know if a mirror from a newer vehicle will work with my 2004? I'm looking at part number 15139492 for an 07-08 I believe. I know the rain sensor (I'm assuming that's what that is anyway) wouldn't work with mine but the plugs look very similar.
If you're thinking replace it, you may as well try to reflow it first. Your can do it in your oven, or with a heat gun ...
I have, this thing has more problems than just the common ones.
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