Gauge shunt resistor
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Cargo Master
Joined: Sep 2004
Posts: 2,757
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From: Alberta Canada
Gauge shunt resistor
I haven't been able to look into the manual yet, but I'm wondering if the battery gauge I took from 1988 F250 had a shunt resistor across the gauge to limit current through the gauge. I'm using alternator with 12 volt conversion in my 1950 F1.
I looked im my notes; when tearing down the instrument cluster from my 1990 Crown Vic I noted that there was a resistor in that circuit to battery gauge. Any input welcomed.
Tom
I looked im my notes; when tearing down the instrument cluster from my 1990 Crown Vic I noted that there was a resistor in that circuit to battery gauge. Any input welcomed.
Tom
Posting Guru
Joined: Jun 1999
Posts: 2,415
Likes: 3
From: Comox Valley, Canada
The shunts I have seen are in the wire from the alternator output to the starter relay battery positive post. They look like a large black wire with two smaller wires tapped off either end that go to the ammeter.
I am not too sure of the 88 setup, but up to 86 maybe 87 they used the shunt I described above.
I am not too sure of the 88 setup, but up to 86 maybe 87 they used the shunt I described above.
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