Power Wire

brody125 · Post by **brody125** » February 6th, 2005, 12:27 pm

All my turn signals, warning lights etc. work, but I can't see my speedo, tach, gas etc. I took my cluster out and I am trying to fix it but I am not sure exactly which single wire (of the 3 connectors) is the power wire for the illumination of these lights. (The ones that light my cluster up green).
Any help is greatly appreciated.

Thanks, Brody

Taras · Post by **Taras** » February 6th, 2005, 12:28 pm

Check your fuses.

brody125 · Post by **brody125** » February 6th, 2005, 12:40 pm

i checked all fuses and everything i need to know what wire it is because i'm just going to run a completely new one instead of trying to find where it's broken.

neutral · Post by **neutral** » February 6th, 2005, 1:15 pm

I believe it is red w/blk stripe but before replacing any wire, test the instrument lighting brightness controller on the dash for proper function. These have been known to fail, which seems more likely than a bad wire and it can easily be bypassed.

brody125 · Post by **brody125** » February 6th, 2005, 2:15 pm

^^i think it is exactly what you said...how would i bypass it?
connect the solid red wire on the switch to the red w/ black stripe?

neutral · Post by **neutral** » February 6th, 2005, 2:39 pm

This thread goes into it. http://www.mx-3.com/phpbb2/viewtopic.ph ... r&&start=0

brody125 · Post by **brody125** » February 7th, 2005, 12:53 pm

The writeup said the solid red wire should have variable voltage and the red w/ black striped wire should be your power (I'm assuming around 12v) but when I went outside to test both the wires they had the exact same voltage which was approx 12v. Now I'm extremely confused. Should I just buy a new switch from the wreckers?

Grants · Post by **Grants** » February 7th, 2005, 3:10 pm

The lights won't illuminate if you have the same voltage on those 2 wires, so sounds like the dimmer might be U/S.

Unplug the dimmer and bridge out the ALL RED wire to the ALL BLACK wire (with the lights on of course). This will then put a ground to the cluster lights (your currently getting 12 volts to both sides of the bulbs). Just be careful NOT to bridge the RED / BLK wire to the BLK one.

brody125 · Post by **brody125** » February 9th, 2005, 8:59 pm

I bridged the all red and the black together and it kept blowing the fuse.
Now I'm confused again

Grants · Post by **Grants** » February 9th, 2005, 10:53 pm

So long as your definitely bridging the ALL RED and ALL BLACK wires (double check) it means there is a short in either the cluster, the wire going to it or one of the other lights.

So long as your happy your bridging the right wires your now going to have to start looking for the short. (You'd think a short pretty unlikely as there seems to be quite a few problems with our dimmers but if its blowing fuses it can't be anything else.)

If you find the short keep in mind the dimmer switch is probably U/S too. Otherwise you'd expect the fuse to blow all the time...

If you want to have a look at the wiring diagram, go to my web site below, click on info and open the 1993 wiring diagrams. Go to page 8 (grid D23) to see the dimmer wiring.