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volt guage not working #931639 02/17/09 09:49 PM
Joined: Sep 2005
Posts: 30
K
krauthead Offline OP
Getting the Wheeling Fever
I replaced my instrument cluster with one from a SR5 pickup. The voltage guage is stuck at 18V. I'm reading 14.6 volts at the battery with the truck running. The FSM trouleshooting say to check the inline fuse or replace the guage. Where would I find this inline fuse? Or or they just talking about the fuse to the instrument panel? My truck is an 88 4x4 with 22 REI motor and 5-speed. I do have a correct five speed instrument panel. Any help on this? Thanks, Roy


Hand me that crowbar.
Re: volt guage not working [Re: krauthead] #931640 02/19/09 01:46 AM
Joined: Feb 2001
Posts: 1,681
fourwd1 Offline
Body Damage is Cool
The Voltmeter, as well as the other gauges and idiot lights work off of the ENGINE fuse.

Does it go to zero volts when the key is off, and ~12V when the key is ON but engine is off ?

If the answer is yes, you're OK, the gauge isn't too accurate.


- seen in FOUR WHEELER mag July 2006 & OFF-ROAD mag Feb 2007 -
'84 4Runner ARBed 5.29s F&R,4.7 & 2.28 t-cases,hy-steer,BudBuilt skid,30spl Longs,36" TSLs,Chevys

'83 P/U, Buick 231 V6,Holley 4 bbl,Weiand intake,Downey headers,TH350 w/700R4 gearset
Re: volt guage not working [Re: krauthead] #931641 02/19/09 05:34 AM
Joined: Dec 2006
Posts: 103
K
KiwiCowboy Offline
Wheeler
Depending on what year your truck is and the year of the SR5 cluster, some wires need to be switched around.

<img src="/forums/images/graemlins/kewl.gif" alt="" />

Re: volt guage not working [Re: KiwiCowboy] #931642 02/25/09 11:11 PM
Joined: Sep 2005
Posts: 30
K
krauthead Offline OP
Getting the Wheeling Fever
The gauge is at zero with the ignition off. When the key is on it goes to about 14V. When you start the engine it goes to 18V. Sorry about the slow reply, I've been away. I do appreciate any help I can get here. As I stated earlier I have checked the voltage across the battery at 14+ volts with the engine running. I'd really like to get this thing working correctly.


Hand me that crowbar.
Re: volt guage not working [Re: krauthead] #931643 02/26/09 10:13 AM
Joined: May 2006
Posts: 457
D
Davepet Offline
Mudrunner
Quote
The gauge is at zero with the ignition off. When the key is on it goes to about 14V. When you start the engine it goes to 18V.

Sound like an inaccurate gauge. What does your external VOM read with the key on but not running?

Dave


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