Flickering voltage, flickers interior lights and headlights
#1
Flickering voltage, flickers interior lights and headlights
MikeP and I are trying to figure out what might be wrong with this.
It all started happening after we went on a weekend trip that took us through some heavy rain, snow, and a lot of twistes for long periods of time. I am not sure if something got wet, or perhaps jolted loose.
First off, if the car is in ACC mode everything is fine. Its when I start the car problems arise. The volts initially spike to 15 from 14, when the car warms up they stay between 14 and 13.7. This is causing what I listed above and the display commander to flicker.
The tail and brake lights do not seem to be affected. The display on the boost gauge is not affected.
I drive it around..its like a champ. Took it to the drags, I suck but the car did fine. It does not seem to be affecting anything else.
Mike is convinced it has to do with the charging system. So far we've checked alot of it visually, aside from all the stuff under the steering wheel. The front of the joint box and its fuses seem to be fine.
Have you ever heard of something in the starter cut relay or the ignition switch causing this? These seem to be only other 2 visually we haven't checked.
What about this TNS relay would a bad one cause this? Also what does that stand for?
It all started happening after we went on a weekend trip that took us through some heavy rain, snow, and a lot of twistes for long periods of time. I am not sure if something got wet, or perhaps jolted loose.
First off, if the car is in ACC mode everything is fine. Its when I start the car problems arise. The volts initially spike to 15 from 14, when the car warms up they stay between 14 and 13.7. This is causing what I listed above and the display commander to flicker.
The tail and brake lights do not seem to be affected. The display on the boost gauge is not affected.
I drive it around..its like a champ. Took it to the drags, I suck but the car did fine. It does not seem to be affecting anything else.
Mike is convinced it has to do with the charging system. So far we've checked alot of it visually, aside from all the stuff under the steering wheel. The front of the joint box and its fuses seem to be fine.
Have you ever heard of something in the starter cut relay or the ignition switch causing this? These seem to be only other 2 visually we haven't checked.
What about this TNS relay would a bad one cause this? Also what does that stand for?
Trending Topics
#9
Yes, sorry I never got back but it took awhile to figure out what was exactly wrong as I would have it fixed and then it would break again. Basically it was the alternator, something in there kept breaking. My opinion that piece that controls the voltage surge.
Specifically for me, it was that upgraded alternator being sold on the boards. I had a local shop rebuild it twice asking them to please keep the upgraded parts. After the second time it popped on me, I asked the alternator shop to build it back to stock. Its been over a year since that build and my car has been fine.
- a tip from me- Take it to a place the specializes in just rebuilding alternators. The type of place mechanics in the area would ship an alt to get rebuilt. It cost me $50 each time.
Specifically for me, it was that upgraded alternator being sold on the boards. I had a local shop rebuild it twice asking them to please keep the upgraded parts. After the second time it popped on me, I asked the alternator shop to build it back to stock. Its been over a year since that build and my car has been fine.
- a tip from me- Take it to a place the specializes in just rebuilding alternators. The type of place mechanics in the area would ship an alt to get rebuilt. It cost me $50 each time.
#13
That's when I took it to a local shop had it rebuilt keeping the 140amp parts...but again after 4-5 drives it was broken again.
SO then I went back to stock, all is fine. I did keep in touch with Tony through this whole mess, but like I said he is states away so not much that could be done.
Save yourself some time in trouble shooting, put a stock one back in, drive it for a few weeks, and see if that fixes your issue.
For the record i hate electrical gremlins!
#15
Eats, Sleeps, Dreams Rotary
iTrader: (17)
A stock OEM alternator fixed my issues!
I had terrible flickering, warning lights in the cluster, 16V voltage peaks and the engine wasn't even running right.
I put in a new fresh modded 140A Alt and it cured most of the problems but there was still a very very slight interior light flickering but only visible when I turned on the headlights and stereo. I decided to try a used stock alt and everything went back to normal again! I hope the used alt lasts!
I had terrible flickering, warning lights in the cluster, 16V voltage peaks and the engine wasn't even running right.
I put in a new fresh modded 140A Alt and it cured most of the problems but there was still a very very slight interior light flickering but only visible when I turned on the headlights and stereo. I decided to try a used stock alt and everything went back to normal again! I hope the used alt lasts!
#18
I am not sure how many people this happens to. It could be something else in the system causing this. You are closer to Iyor though so if you do buy it and this same thing happens maybe he can help you figure out what the issue is. I would not mind knowing.
Thread
Thread Starter
Forum
Replies
Last Post
82streetracer
1st Generation Specific (1979-1985)
7
08-23-15 09:28 AM