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Chevrolet Instrument Cluster Question  
User currently offlineCadet57 From United States of America, joined Jul 2005, 9085 posts, RR: 30
Posted (7 years 7 months 1 week 4 days 8 hours ago) and read 1054 times:

On ebay there is a instrument cluster for a 1996 lumina, same car as me. This panel has a tachometer which my cluster lacks. If I buy it, will the tach work when I install it? I emailed the seller but he never got back to me. I dont want to waste the money if it wont work. Also, will I be able to turn the Odometer back to the mileage my car has (this one is higher)?


Doors open, right hand side, next stop is Springfield.
9 replies: All unread, jump to last
 
User currently offlineSuperfly From Thailand, joined May 2000, 39898 posts, RR: 74
Reply 1, posted (7 years 7 months 1 week 4 days 8 hours ago) and read 1039 times:

That is a tricky situation when it comes to General Motors.
If it were a Ford or Chrysler, a simple swap would be easy and yes it would work.
A friend of mine tried doing the same thing you're talking about with his 1990 Buick LeSabre. He wanted to install a 1990 Park Avenue instrument cluster in his car for the same reason as you do. It did not work so he had to put his original back on.
Good luck trying to get a straight answer about this from your local GM service center. They'd recommend you buy a new Hummer.
You will not be able to turn back the odometer yourself on any car. Take it to a shop and have that done before you install it.



Bring back the Concorde
User currently offlineA332 From Canada, joined Feb 2005, 1644 posts, RR: 2
Reply 2, posted (7 years 7 months 1 week 4 days 6 hours ago) and read 1014 times:

If both vehicles are the same year and same model... the tachometer should be wired in the factory harness and it should be a simple install.

Question though... is it really worth the hassle for a 96 Lumina?

Ever removed the speedo cable from the back of a cluster before? I have a couple of times and it is NOT a fun job!



Bad spellers of the world... UNTIE!
User currently offlineCadet57 From United States of America, joined Jul 2005, 9085 posts, RR: 30
Reply 3, posted (7 years 7 months 1 week 4 days 6 hours ago) and read 1005 times:

Quoting A332 (Reply 2):
Question though... is it really worth the hassle for a 96 Lumina?

Well, the front of the dash is already coming out for some stereo work, plus its only 40 bucks. If my dad tells me its hard i'll say f it. He's the car guy not me. But he wasnt sure if it would work.



Doors open, right hand side, next stop is Springfield.
User currently offlineDesertJets From United States of America, joined Feb 2000, 7780 posts, RR: 16
Reply 4, posted (7 years 7 months 1 week 4 days 6 hours ago) and read 989 times:

I'd suggest going to the library and checking out a Haynes or Chilton service manual for the car.... or the GM one if they have it. It should have the info and diagrams to show you if it is possible.

Barring that, find a parts guy at a nearby Chevy dealer that is friendly and helpful.



Stop drop and roll will not save you in hell. --- seen on a church marque in rural Virginia
User currently offlineSuperfly From Thailand, joined May 2000, 39898 posts, RR: 74
Reply 5, posted (7 years 7 months 1 week 4 days 5 hours ago) and read 981 times:

Quoting A332 (Reply 2):
Ever removed the speedo cable from the back of a cluster before? I have a couple of times and it is NOT a fun job!

You can say that again.
My friend did the same thing, thinking that the wiring harness would all be the same. Well everything plugged in correctly, snapped in perfectly and fit perfectly. The lights all came on but only the speedometer worked. None of the gauges for the oil, temp, alt or tach worked.
General Motors can be a pain n the ass when it come to this kind of stuff.



Bring back the Concorde
User currently offlineKFLLCFII From United States of America, joined Sep 2004, 3303 posts, RR: 30
Reply 6, posted (7 years 7 months 1 week 4 days 2 hours ago) and read 963 times:

If there wasn't a dedicated tachometer lead wire factory-installed from (any of) your car's ignition coil(s) or ignition system, then chances are you simply couldn't plug the tach in and go; The installation at that point would become far more tricky, as you'd have to run your own lead from the tachometer sending input to the proper location within the factory ignition system, according to prescribed procedures.

But I'd have to agree with DesertJets...a Haynes or Chilton service manual for your particular year/make/model is an invaluable tool to have when you start getting into do-it-yourself projects for the car. If you're lucky, it may even have a note within the wiring diagrams section regarding differences in the schematic between cars with factory-installed tachs, and those without. If your library doesn't have it, they're available at your local Discount/Advance Auto Parts, Pep Boys, etc.

Good luck.



"About the only way to look at it, just a pity you are not POTUS KFLLCFII, seems as if we would all be better off."
User currently offlineLOT767-300ER From , joined Dec 1969, posts, RR:
Reply 7, posted (7 years 7 months 1 week 3 days 22 hours ago) and read 940 times:

I say buy a better car, with a tach.  Silly

User currently offlineAA787823 From , joined Dec 1969, posts, RR:
Reply 8, posted (7 years 7 months 1 week 3 days 9 hours ago) and read 917 times:

I doubt the tach would work, if there is no sending unit on the engine, I doubt it is pre wired into the wiring harness that is on the back of the instrument cluster. It is not worth the hassel for a 96 Lumina that is likely worth less than $1000.00

User currently offlineFalstaff From United States of America, joined Jun 2006, 6105 posts, RR: 29
Reply 9, posted (7 years 7 months 1 week 3 days 7 hours ago) and read 895 times:
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Quoting AA787823 (Reply 8):
I doubt the tach would work, if there is no sending unit on the engine, I doubt it is pre wired into the wiring harness that is on the back of the instrument cluster

I would bet there is. Remeber guys the PCM is getting a signal for rpm which is generated from the Crankshaft Position Sensor and or the cranksharft position sensor. You don't need an additional pickup on the engine's ignition because it is already there to operate the DIS system. The question is; Is there are wire in the harness from the PCM to the cluster. You will need a wiring diagram for that car. I used to have have a 96 Lumina. Good car. I put 101,000 on it and sold it to my buddy, Paul and he has 148,000 on it.

1996 an newer models have all kinds of stuff in the harness. OBDII cars monitor lots of stuff.

After reviewing the the wiring diagram for this car the wires for the tachometer are D8 which is white and C1 which is pink. If you IM me in the next hour and a half I can fax you the diagram. I could also mail it to you. If your harness has those wires it should work. I will be out of the shop all next week and I am, cutting out early today. If you want me to mail them to you I can do that anytime.



My mug slaketh over on Falstaff N503
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