rfs324

Hey guys,
The drivers side popup light on my s13 hatch would not raise. Tested all the relays, functional. Metered out the wires at the connector, and the popup motor gets the 12v down switch signal, but it doesn't lower. Okay, bad motor. Order a new one, install it. Now neither light is functional. The passenger side no longer goes up or down.
Any suggestions what could have happened?
The wiring schematics in the FSM are complete shit.

burnsauto

double check all your grounds, make sure they have good contact (no rust, etc).

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rfs324

Thought of that, sanded contacts, but I will double check with some voltage drop tests. Any other ideas?

tuzzio

Bad switch? The S13 stalks are known to shit the bed.

rfs324

Don't think it's the switch since it was sending the signal wwhen I metered the wires and it was triggering the right side like up and down until I replace the left motor.

rfs324

Did a voltage drop test on the grounds, no difference between the ground on the motors and the battery. Metered the headlamp motor plug, now there is no signal going to any of the wires! TF!? All I did was change the motor. Next step is to meter the headlight switch and see if the switch is actually sending the signal, although it was sending just fine before I swapped the motor. Any other suggestions?

Prince of Saiyans

I had a similar issue. Only one side wanted to work. I sanded my contacts but still didnt work. Got a new switch and BAM worked fine. Even though I cleaned up the contacts I think there were just to pitted.

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rfs324

Which switch did you replace? The stalk on the column?

Prince of Saiyans

Yup the one on the column. Same one with the copper contacts that you sanded. I had two problems with mine. On one side the pop up wouldn't go up or down but did light up. The other side went up and down but didn't light up. When I sanded the copper contacts I got both lights to turn on but the one pop up still didn't work and I cleaned the crap outta those contacts with a Dremel. New column switch fixed it for me. Might be the same for you. If you have a buddy with S13 might want to try and swap it, to see if it works. Good luck man.

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tacobellman_2007

I had an issue with mine never going down. They would go up using the switch but I could never put them back down unless I turned the knobs manually. After doing almost every single thing associated with troubleshooting the pop-up headlight-stuck-in-position issue (thoroughly and carefully cleaning the contacts on the switch, swapping out the switch for a known working one, swapping entire pop-up headlight assemblies and motors, triple checking grounds, etc.), the last thing I did was replace the headlight timer box located on the left side of the driver side legs area by the fuse panel and voila, shit worked like nothing ever happened lmao T_T

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Amateur photography by me