tach problem

IntenseBlue · Jul 22, 2005

Ok, I haven't had my car long and I noticed the tach is way off. I think it reads double what the engine's turning. How do I fix this. I'm dumbfounded and in about a month I'm gonna pick up an Auto Meter tach if I cant fix it. My worry is the auto meter tach will read the same way. All help appreciated.

IntenseBlue · Jul 22, 2005

anybody?

HISSIN50 · Jul 22, 2005

was the car a V8 conversion? It seems to me that there is a switch on the back of the tach to set how many cylinders you have (that might be for another car - I cant remember for sure).

Good luck.

IntenseBlue · Jul 23, 2005

I have no idea. If it was, it's the cleanest swap I've ever seen and whoever did it should be proud of it. Anyways, I've decided to pull out the guage cluster tomorrow and see what happens. Question is, how do I get it out?

HISSIN50 · Jul 23, 2005

If LX R/R is like a GT's, You pop the headlight, fog, defroster/vert top, and hazard switches out (there is a tab on the side of the switches, so you can do it from the front). Then there are two screws on top of the cluster (the butt of the screwdriver hits the windshield). Then there are some fasteners (smaller torx bits IIRC). Speedo cable disconnect......
That is about all I can remember. I know some folks have posted thorough write ups in posts before. Or they will augment or correct what I typed here.
It is one of those things that takes 1/10th the time to do the second time (compared to the first).
Good luck.

txstang84 · Jul 23, 2005

HISSIN50 said:
If LX R/R is like a GT's, You pop the headlight, fog, defroster/vert top, and hazard switches out (there is a tab on the side of the switches, so you can do it from the front). Then there are two screws on top of the cluster (the butt of the screwdriver hits the windshield). Then there are some fasteners (smaller torx bits IIRC). Speedo cable disconnect......
That is about all I can remember. I know some folks have posted thorough write ups in posts before. Or they will augment or correct what I typed here.
It is one of those things that takes 1/10th the time to do the second time (compared to the first).
Good luck.

yeah, the 1/10th rule in full affect here...

the tachs though, i don't think Ford was smart enough to actually put a switch there so you could run a different engine with the same tach-i know my 84's old gage cluster (which has long since been replaced by Phantom gages) had a little window below the tach that read (4 6 8), but there was nothing there but circuit board and solder joints. which makes me believe it actually requires some kind of soldered jumper connection possibly....(?)

tach problem

IntenseBlue

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tach problem

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