 Voltage drop |
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| Dave97 |
 Sep 22 2020, 05:41 PM
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#1
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Newbie  Group: Members Posts: 42 Joined: 25-July 17 From: Calif Member No.: 21,285 Region Association: None  |
What is normal voltage drop when you turn on the lights? I’m just going off the volt meter, but I start at about 14.2 driving around, when I pull on even the first notch of the light switch I’ll drop to less than 13. Is it a ground issue? I understand that this a rather common. Thanks. Dave
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| Dave97 |
Sep 25 2020, 02:31 PM
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#2
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Newbie Group: Members Posts: 42 Joined: 25-July 17 From: Calif Member No.: 21,285 Region Association: None |
Thanks everyone. What seems strange to me is the fact that the biggest voltage drop is just with the parking lights. In the past I have put relay's on a early 911 headlights to get direct power to them and not go thru the switch. I have checked the grounds at the headlight to the body and cleaned them. How do I check the "real" voltage? Do I need to verify the gauge? At an indicated 12.5 volts the headlights don't seem to dim. Suggestions?
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Posts in this topic
Dave97 Voltage drop Sep 22 2020, 05:41 PM
ClayPerrine Ignore it. The voltmeter in the console of a 914 ... Sep 22 2020, 06:45 PM GregAmy :agree:
I took mine out, I hated it so much. The... Sep 22 2020, 06:46 PM porschetub Don't trust mine but its sort of an indicator,... Sep 22 2020, 09:20 PM davep There is a fair current being distributed at the f... Sep 22 2020, 09:32 PM
76-914
There is a fair current being distributed at the ... Sep 22 2020, 10:33 PM lierofox
There is a fair current being distributed at the... Sep 23 2020, 01:11 PM steuspeed
That's what I did, I used the wire going to t... Sep 25 2020, 12:09 AM porschetub
There is a fair current being distributed at the... Sep 23 2020, 05:42 PM Dave97 Thanks everyone. I understand the age of the vehi... Sep 24 2020, 08:21 AM davep It could certainly be a ground issue. I had a 914 ... Sep 24 2020, 09:12 AM |
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