Lights flickering
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Freshman User
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Lights flickering
Gentlemen,
My lights both interior and exterior are flickering but not dim. It almost looks like it is flickering as fast as a sine wave would occilate so I'm going to replace the alt instead of just the VR due to age and miles. Before I spend $150.00 I was hoping somebody could offer some other ideas.
As far as I can tell the PO replaced the ignition sw, removed CE light or unplugged it and replaced some throttle body components.
Thanx, Dan
1994 E150 Chateau 351W E4OD 188k
My lights both interior and exterior are flickering but not dim. It almost looks like it is flickering as fast as a sine wave would occilate so I'm going to replace the alt instead of just the VR due to age and miles. Before I spend $150.00 I was hoping somebody could offer some other ideas.
As far as I can tell the PO replaced the ignition sw, removed CE light or unplugged it and replaced some throttle body components.
Thanx, Dan
1994 E150 Chateau 351W E4OD 188k
Senior User
Joined: Jun 2010
Posts: 286
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From: hesperia calif.
Gentlemen,
My lights both interior and exterior are flickering but not dim. It almost looks like it is flickering as fast as a sine wave would occilate so I'm going to replace the alt instead of just the VR due to age and miles. Before I spend $150.00 I was hoping somebody could offer some other ideas.
As far as I can tell the PO replaced the ignition sw, removed CE light or unplugged it and replaced some throttle body components.
Thanx, Dan
1994 E150 Chateau 351W E4OD 188k
My lights both interior and exterior are flickering but not dim. It almost looks like it is flickering as fast as a sine wave would occilate so I'm going to replace the alt instead of just the VR due to age and miles. Before I spend $150.00 I was hoping somebody could offer some other ideas.
As far as I can tell the PO replaced the ignition sw, removed CE light or unplugged it and replaced some throttle body components.
Thanx, Dan
1994 E150 Chateau 351W E4OD 188k
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Joined: Jan 2001
Posts: 56,995
Likes: 2,741
From: Virginia
The most common cause for this is a poor ground on a charging system with an external regulator. If you have a internally regulated alternator, run a ground wire from it to the battery and see if the problem goes away. If you replace the alternator like you mentioned, that might help restore the grounding through the mounting brackets.
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Joined: Jun 2010
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Thanks guys.
The truck came from Lehigh Valley Penn. Lots of road salt up there.
I hope it's a ground issue.
My biggest problem is finding time to spend on repairs. I'll add some grounds and see.
Right now I've got to go post on the trans forum. Threw a 628, among others. Trans prob will come first.
The truck came from Lehigh Valley Penn. Lots of road salt up there.
I hope it's a ground issue.
My biggest problem is finding time to spend on repairs. I'll add some grounds and see.
Right now I've got to go post on the trans forum. Threw a 628, among others. Trans prob will come first.
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