Dead Alt. gauge!
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Post Fiend
Joined: Feb 2009
Posts: 8,005
Likes: 7
From: Ottawa, Ontario
Dead Alt. gauge!
The Alt. gauge in my 89 F150 doesn't work at all. I see 2 plug-ins on the Alternator, one on the side and one on the buttom (buttom one can't be removed without removing the Alt.) witch one would be the one for the gauge?
I tested the alternator with my battery load tester and it charges fine.
Gauge reads nothing, it's way on the left of 8
8 / | \ 18
Any sugestions?
I tested the alternator with my battery load tester and it charges fine.
Gauge reads nothing, it's way on the left of 8
8 / | \ 18
Any sugestions?
Fleet Owner
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
None of wires on the alternator are for the gauge.
The main large cable from the alternator to the solenoid acts as a shunt. You tap into it at two different places about 3 or 4 feet apart. These two wires are ran to each side of your gauge.
If the voltage gets to large on these two small wires you can burn a trace into on the back of the cluster and then the gauge no longer works.
But I did not think that a 89 had an amp gauge for the alternator. I thought you had an voltmeter on the dash.
The main large cable from the alternator to the solenoid acts as a shunt. You tap into it at two different places about 3 or 4 feet apart. These two wires are ran to each side of your gauge.
If the voltage gets to large on these two small wires you can burn a trace into on the back of the cluster and then the gauge no longer works.
But I did not think that a 89 had an amp gauge for the alternator. I thought you had an voltmeter on the dash.
Thread Starter
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Post Fiend
Joined: Feb 2009
Posts: 8,005
Likes: 7
From: Ottawa, Ontario
Yeah voltmeter whatever you wanna call it.
It's got the simple dash, 4 gauges and speedo.
So is that the right info? Where is the cable located on the alt.? And what solenoid?
It's got the simple dash, 4 gauges and speedo.
So is that the right info? Where is the cable located on the alt.? And what solenoid?
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