Various problems mostly lights/electric

[doomedfob]

I've been having some trouble with my s13 recently. I recently fixed my cluster gauges, but suddenly my backlight on my cluster stopped working. My windshield wiper stopped working too! well just the first one you click down. The extra slow one. My passenger seatbelt motor stopped functioning as well. errghh someone help me.

[sabretooth91]

I've been having some trouble with my s13 recently. I recently fixed my cluster gauges, but suddenly my backlight on my cluster stopped working. My windshield wiper stopped working too! well just the first one you click down. The extra slow one. My passenger seatbelt motor stopped functioning as well. errghh someone help me.

My first guess is that some wire somewhere is getting too hot and melting through the shielding or tape (if you used that to connect wires?) So as it gets hotter, it is melting through other wires and causing them to short or something. Check your fuses of course. Are there two different locations? Under the hood, and maybe one under the steering column (I don't know for sure).
After that, I'd trace the wires from your indicators to the source with a multimeter or voltage probe. Use the cluster wiring diagram to figure out which pin (and therefore wire) is for the backlight. Follow it through your car to see if it is pinched/melted anywhere. Probe it to see its value. Check its fuse. If you don't have a probe, you could probably rig up a light bulb or something (LED) to connect one wire from it to GND and the other to the wire. If it lights up, it is getting some voltage.

compactfean has a really nice writeup on how to debug cluster wiring.
how-to-fix-s13-wiring-for-gauge-cluster ... 26276.html

This might be helpful too It takes a while to load. But you should be able to find the wiring schematics in it. Save it to your desktop!!!!
http://www.nicoclub.com/FSM/240sx/1989/1989.pdf

[abaron13]

I'd check the grounds to make sure they're all good, clean, and tight.