Left headlight on my 91 mr2 will turn on but not pop up
The other day i hit a really big speed bump and it knocked the bottom of my mr2 up. ever since, my left pop up headlight will not go up although it is illuminated. is there a certain wiring that could have been jeopardized? how would i fix this?
Re: left headlight on my 91 mr2 will turn on but not pop...
I bet the actuator arm popped off. It has a ball and socket joint on a spring loaded arm. turn the headlamps on and see if you can pull the headlamp up by hand. If so you can pop the end of the arm back onto the ball joint. If not you can look at the MR2OC.com forums for more possibilities.
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Ensure the wheel nuts and Axle nuts are properly torqued to the specification. Lift up the front wheels, place supports under the car and do the following:
- Sit if front of right wheel, slightly move it right and left and feel any abnormal noise if coming out of it. If click-click or Tuck-Tuck sound is observed it could be due to the excessive play in the tie rod end, rack end, ball joint wheel bearing or U joint. Next hold the Tire with your one hand at the top and with other hand at the bottom. Shake the Tire inside out and feel any noise or play. If play is observed, it could be the worn out ball joint or the wheel bearing. Now hit the Tire at the top with rubber hammer and observe any rattling noise coming from near the center of the wheel. If you could listen to the extra noise it could be due to the dried up caliper pins. Grease the pins with graphite grease. If all is found fine, similarly check the left wheel and repair as necessary.
I experienced the same symptoms that you described in your post on my 1986 mr2. I originally thought is was a relay or switch so I tested all of them. Every one of them check out functioning properly. After a number of days, I finally traced the problem to a burnt wire that was part of a socket that plugs into a horizontal blue and white panel under the dash on the driver's side just above the fuse block. Apparently the wire had come loose after so many years of bumps and other jarring movement and shorted inside the socket. I cleaned up the socket and wire connector, restripped the wire and put it all back together and made sure the connector was tight on the post. Now it all works pefectly.
Obviously you have a connector which has come partially apart somewhere between the Headlights and the Headlight Switch. Most modern vehicles have several connectors between the Headlight Switch and the Headlights, Start at the Firewall Connector and work forward toward the Headlights making sure all connectors are securely mated. Another remote possibility is that you have fractured the "Low Beam Filaments" in BOTH Headlights. You don't mention how hard you hit the Speed Bump but if it caused the car to "Bottom Out" the front suspension it was a hard enough impact to fracture the filaments. You can use a 12 Volt Test Light at the Sockets for the Headlight Bulbs and see if you are getting 12 Volt power there. If you are in Low Beam position you have fractured the filaments. Check with High Beam too.
Center differential is broken,you can test it by doing tight circles in a car park 3 or 4 to the left and repeat to the right,if it doesn't un block and it still feels like you're driving over marbles (big ones) when you turn you're sure it's the c.diff. Check tyres are all in spec.identical and same usage, right pressure.