Headlights randomly turn on and off while driving
- Thread starter G2Sho
- Start date
Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
Could be a ground issue. Could also be the light sensor on the dash going bad.
-Chad
-Chad
Do you know where grounds are or know where to get wiring schematics. And where is the sensor in the bumper or on dash?
Grounds and wiring diagram are in the Electrical and Vacuum Troubleshooting Manual (you can find them on ebay). Did you try moving the autolamp lever up and down. Its by your left knee towards the bottom of the dash. Here is a thread on where you can find the light sensors. I wonder if it could be your head light switch going bad.
shoforum.com
Auto headlights not shutting off during daylight
My auto headlights have stopped shutting off automatically during the daytime. I can shut them off with the switch, but it's like the sensor isn't detecting the sunlight. Do these sensors ever go bad?
shoforum.com
I might take out the headlight switch and maybe try to take it apart to clean the contacts and clean auto light sensors tomorrowGrounds and wiring diagram are in the Electrical and Vacuum Troubleshooting Manual (you can find them on ebay). Did you try moving the autolamp lever up and down. Its by your left knee towards the bottom of the dash. Here is a thread on where you can find the light sensors. I wonder if it could be your head light switch going bad.
Auto headlights not shutting off during daylight
My auto headlights have stopped shutting off automatically during the daytime. I can shut them off with the switch, but it's like the sensor isn't detecting the sunlight. Do these sensors ever go bad?
Greg Corcoran
SHO Member
Could also be a short tripping the breaker in the circuit? Do they stay off longer than they stay on?
It’s random sometimes they stay on for 5 minutes and turn off for like 10 seconds or they turn off and on constantly for a minute or they flash on once and stay off until I Turn the switch
And most of the time it’s only when driving because when parked they seem to act fine
SHOrod
Torrie Tuned
If you send me a private message with an e-mail address for you, I can send you a PDF of the Autolamps wiring diagram from the factory service manual.
-Rod
BaySHO Performance
SHO Member
My guess is the light sensor. My 90 has the same problem. Would be interesting to find out whether the lights going off and on can be attributed to the amount of daylight present. Diagrams for a '94. '95 should be the same.
BaySHO Performance
SHO Member
If you look at the diagrams I just posted, you will realize it has to be the Autolamp Dual Coil Relay, not the main light switch. Not sure where that is. It might be in the Autolamp panel. Lower left on the dash with a thumb wheel. The panel can be levered out from the dash.
Cool thanks I will take that out and look
I went under the dash followed the wires and couldn’t find the relay
BaySHO Performance
SHO Member
A3.....
Oh I see it now i now have removed it and will test it later
BaySHO Performance
SHO Member
Also check the light sensor/ amplifier. A10 in the component diagram.
They still are turning on and off randomly and I made sure to have the auto lights off
BaySHO Performance
SHO Member
So did you turn the main light switch on instead of using the Autolamp feature to control the headlights? In which case, it could be that switch.
Yeah I made sure it was off and manually turned on the lights and they were still going on and off I will look for a new switch and try that next
Similar threads
