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donnmaddy
Join Date: Jul 2005
Location: Ca.
Posts: 33
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Turn signal started smoking and alternator light came on
]I started my 88 3.2 and pulled out of parking spot and turn signal started to smoke and soon after alternator light came on and the tachometer started jumping around some times not working at all. I removed the fuse and was able to make it home and ordered a new one from pp but not sure what caused this to happen and what else may be damaged. By the way I had just replaced the battery that morning.
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08-15-2011, 02:56 PM
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muck-raker
Join Date: Jan 2009
Location: Coastal PNW
Posts: 3,059
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toasted voltage regulator?
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STONE '88 Cabriolet, using EP Slick 20w50 partial synthetic Snake Oil...just as Rommel intended.  Deny Everything; Admit Nothing; and Always Make Counter-accusations 
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08-15-2011, 07:06 PM
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Registered
Join Date: Jul 2002
Location: Southern California
Posts: 5,067
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Quote:
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1984 Targa |
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08-15-2011, 10:31 PM
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Wer bremst verliert
Join Date: Jan 2005
Location: Toronto, Ontario
Posts: 4,767
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Did the smoke come from the turn signal or the indicator on the dash? You need to chase that down and correct it, you may have a short.
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2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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08-16-2011, 03:22 AM
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Registered User
Join Date: Feb 2011
Location: Bellevue, Wa
Posts: 2,437
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I smoked mine a few week back without the light...
as suggested Voltage regulator in my case I flipped the high beams on and smoked the switch, blew the headlight circuit at 10pm and had no lights to drive home... once the new switch was in I looked for the cause and found I was putting out too many volts "sometimes" - so new alternator was put in now the last thing to check is the battery and as I suspected it had boiled a small amount of water out of each cell, I pulled the battery and thoroughly douched the area in battery acid neutralizer, then topped off the batter and put on a new over flow tube - so far so good...may have saved the battery before it was toasted...
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Ed M 86' Coupe |
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08-16-2011, 04:02 AM
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donnmaddy
Join Date: Jul 2005
Location: Ca.
Posts: 33
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I took steering wheel off and removed turn signal and found where switch had burned. Got the new one today and will install new one tomorrow. I will try to find proceedure on testing voltage regulator. Thanks
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08-16-2011, 01:08 PM
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Registered
Join Date: Jul 2002
Location: Southern California
Posts: 5,067
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Some thoughts...
1. Now is the time to install a headlight relay kit to prevent your switch from frying in the future. 2. Figure out what's going on with the regulator BEFORE you install the new switch. The last thing you want to do is burn the new switch because the regulator is putting out too much voltage.
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1984 Targa |
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08-16-2011, 11:01 PM
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donnmaddy
Join Date: Jul 2005
Location: Ca.
Posts: 33
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I had AAA come out and check charging system this morning and this is what they found. Starting test Voltage 12.24 Amps 33.0. Charging system test. (No Voltage) No load was 12.3 with no amps. and Loaded was 12.43 with no amps. AAA said he had no idea why the car had these readings. I have no idea my self, do you still think it might be voltage regulator or alternator.
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08-17-2011, 12:11 PM
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Registered
Join Date: Jun 2009
Location: Manhattan Beach, California. Factory Delivery-Original owner-Retired engineer
Posts: 5,238
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Quote:
The typical charging voltage should be 13.5-14.5 Volts, and drop to maybe 12.5-13.5 during high loads. (A/C, Headlights ect..) More likely as a previously stated, the turn signal stalk switch has to carry all of the headlight current which is the valid reason for the aftermarket relays many of us have installed. Typically when the VR fails, the voltage will spike to 16-17 volts. But here's something to think about...... Good luck, Gerry 
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1986 911 Targa. Per Road and Track magazine: Only in L.A.: In the window of a bar in Hermosa Beach, California. "Happy Hour prices during all car chases." |
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08-17-2011, 02:41 PM
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