 75/76 Alternator Light, Trying to understand an ignition feedback issue. |
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| McMark |
 Apr 6 2017, 03:07 PM
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#1
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914 Freak!  Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None  |
I thought all 914s had a diode on the charging light, but looking at the 74/75/76 diagrams I don't see one. A certain green car doesn't shut off when you turn the key off, but disconnecting the charge light wire kills it.
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| ejm |
Apr 6 2017, 04:13 PM
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I can see the light at the end of the tunnel Group: Members Posts: 2,692 Joined: 3-February 03 From: Massachusetts Member No.: 224 Region Association: None |
Early cars had a diode behind the dash for the brake warning light but I don't think there's ever been one for the alternator light. A bad diode in the alternator can cause this along with the charging problem mentioned in another thread. Pull the 3 wire alternator plug off the relay board and see if that kills the engine.
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| SirAndy |
Apr 6 2017, 04:35 PM
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#3
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Resident German Group: Admin Posts: 41,662 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(ejm @ Apr 6 2017, 03:13 PM)  Early cars had a diode behind the dash for the brake warning light Ah yes, you are correct. That diode is behind the gauge ... (IMG:style_emoticons/default/smile.gif) |
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Posts in this topic
McMark 75/76 Alternator Light Apr 6 2017, 03:07 PM
SirAndy I thought all 914s had a diode on the charging lig... Apr 6 2017, 03:12 PM mgphoto Behind the dash.
Anyone have a photo it's loc... Apr 6 2017, 04:42 PM jcd914 I am avoiding writing a convoluted e-mail at work ... Apr 6 2017, 05:09 PM 914Sixer None on 74-76 models. Apr 6 2017, 05:38 PM McMark I've solved the issue on Zach's car by wor... Apr 9 2017, 08:52 AM
Spoke
Basically, the alt-charge indicator light was fee... Apr 9 2017, 11:45 AM SirAndy So my guess (assumption: vehicle electrical system... Apr 9 2017, 11:57 AM
McMark So my guess (assumption: vehicle electrical system... Apr 9 2017, 02:43 PM McMark
Theory is the GEN light is so low wattage (ie., h... Apr 9 2017, 02:47 PM ejm
the alt-charge light comes on when you turn off t... Apr 9 2017, 01:25 PM ejm
3. Once the car was key-off-running, you could al... Apr 9 2017, 04:31 PM Dave_Darling What would happen if you put a resistor in the cir... Apr 9 2017, 04:14 PM |
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