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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / March 20051991 Buick Regal Low Voltage
Hi, When I switch on the ignition but before I start the car, I've got 14 Volts. The car starts normally. As I drive, however, some odd things are happening. When at idle, steady cruise and during decelleration, I get 14 volts. When I accellerate, it drops to about 8 Volts, the headlights dim and the turn signals stop flashing and remain steady. This is the opposite of what I'd normally expect. What's going on? Thanks! Belt slipping? > Hi, > When I switch on the ignition but before I start the car, I've got 14 [quoted text clipped - 4 lines] > This is the opposite of what I'd normally expect. What's going on? > Thanks! > Belt slipping? >> Hi, [quoted text clipped - 5 lines] >> This is the opposite of what I'd normally expect. What's going on? >> Thanks! I think its a fried diode bridge in the alternator. The biggest clue for me is the radio interference post the OP has also posted about with the same car. You will hear a bad diode through the radio, and it is not uncomon to have this problem, esspecially with that era GM alternator.  SignatureAlan Gallacher Born to Tinker! > > ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet [quoted text clipped - 3 lines] > ----= East and West-Coast Server Farms - Total Privacy via Encryption > =---- Thanks, guys. I'll try a new alternator. |
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