Electrical problem - 1990 Saab 900 Sedan - Saab 900 Bulletin Board - Saabnet.com
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Electrical problem - 1990 Saab 900 Sedan
Posted by Todd inMA [Email] (more from Todd inMA) on Wed, 28 Nov 2007 07:30:27
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Electrical problem description:
This just developed in the last two days after some very heavy rain.
When I try to start the car (1990 900 sedan/5 speed) it appears to have very low battery voltage.
Car can be jump started and once started runs fine…
I do notice that hitting the brake pedal causes there to be significant draw on the electrical system – I notice the dash lights very briefly dim, the radio volume goes down (just for a split second)….
A few weeks back I had a ground problem and installed a separate very heavy gauge ground wire from the rear of the alternator to the AC compressor mounting bracket.
Is there a better spot to connect this ground wire to?
Other steps I will check are all grounds (some have corrosion)…along with the battery connections (both + and -).
Other ideas and inputs are welcome.
posted by 128.222.3...
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