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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

3g upgrade with voltmeter

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Old Jul 22, 2019 | 08:12 PM
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dagwood57107's Avatar
dagwood57107
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3g upgrade with voltmeter

Hello all, Very soon I will be upgrading to a 3G alternator on my 82 F100 4.9 (new alt from 92 Taurus) and I have already upgraded my ammeter to a voltmeter from RCC Innovations, but I never did clut the wire to the old ammeter. I think I should do that before I upgrade the alternator, but I guess i'm not sure if A) I need to, or B) where to to cut and cap it. It wouldnt be the end of the world if I had to pull the gauge cluster out again as one of the lights needs replacing anyways (or re-clean the terminal). Any suggestions?
 
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Old Jul 22, 2019 | 10:23 PM
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Jim has a great write up here: https://www.ford-trucks.com/forums/1...olt-meter.html
You don't need to cut anything behind the cluster, it's all in the engine bay near the battery/solenoid.
 
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Old Jul 22, 2019 | 10:57 PM
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dagwood57107
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Originally Posted by kramttocs
Jim has a great write up here: https://www.ford-trucks.com/forums/1...olt-meter.html
You don't need to cut anything behind the cluster, it's all in the engine bay near the battery/solenoid.
yeah, never saw that before. I wired my voltmeter completely differently and left all the original wiring as-is, put rubber grommets on top of the original ribbon on the back of the cluster and ran a power wire from the cluster to a keyed on fuse and grounded it under the dash. When I pull the cluster to fix my dash light I'll follow his thread and redo everything. Thanks, that's an awesome write up!
 
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