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Old 06-11-2008, 08:34 PM   #1
slugish
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will this work

have a 84 1/2 ton with the huge fuel guage & idiot lights. Have found a tach /fuel combination guage. will this work on my truck? Seller says it fits 73- 86 model years. Am a little leary if it will work or not . Anybody?
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Old 06-11-2008, 10:44 PM   #2
xtreme80
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Re: will this work

I don't see why it wouldn't?

All I can see being new is that you'll have to run new wiring for your tach...

Someone correct me if I'm wrong.
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Old 06-11-2008, 11:38 PM   #3
dooce
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Re: will this work

looks like it needs to be a 78+ cluster....

http://73-87.com/7387garage/interior...achometers.htm
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Last edited by dooce; 06-11-2008 at 11:39 PM.
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Old 06-12-2008, 01:59 AM   #4
BLE 'BURBAN
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Re: will this work

Quote:
Originally Posted by slugish View Post
have a 84 1/2 ton with the huge fuel guage & idiot lights. Have found a tach /fuel combination guage. will this work on my truck? Seller says it fits 73- 86 model years. Am a little leary if it will work or not . Anybody?
Yes you can do the swap yourself. I can guarantee you will have to repin your wiring harness connector that plugs into the back of the gauge cluster.

HOWEVER, IF you're swapping from idiot lights to gauges for the oil pressure and temp gauges, you will need to swap out the sending units for each as well. Also make sure you have a VOLTAGE GAUGE for the idiot battery light and not an amp gauge as it requires a shunt inline somewheres for it to work properly.

I answered these questions for another member in the "ELECTRICAL" section this past weekend. Here is a link to it.
http://67-72chevytrucks.com/vboard/s...d.php?t=294860

By the way, if you want to have some REAL FUN try doing what I did to my cluster!!! That was a real chore. Link in sig below.
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