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1969 Dodge Charger ALT Gauge
#435573
08/12/09 01:58 PM
08/12/09 01:58 PM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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I've got all my cluster issues worked out except one. When the car is running the ALT gauge is pulling to the NEG. side like its not chargeing. When I put the meter on the battery it shows to be around 14.50-14.60 with the car running. I thought that was correct. Do I have a bad gauge?
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Re: 1969 Dodge Charger ALT Gauge
#435574
08/12/09 02:09 PM
08/12/09 02:09 PM
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Joined: Apr 2007
Posts: 2,327
Glendale, AZ
69L78Nova
Banned. Forever.
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Banned. Forever.
Joined: Apr 2007
Posts: 2,327
Glendale, AZ
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Do you have the red and black wires hooked up correctly on the back of the ammeter? Are they reversed?
1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser
1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)
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Re: 1969 Dodge Charger ALT Gauge
#435575
08/12/09 02:11 PM
08/12/09 02:11 PM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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Yes they are correct I've doubled and tripple checked this.
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Re: 1969 Dodge Charger ALT Gauge
#435576
08/12/09 02:20 PM
08/12/09 02:20 PM
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Joined: Jan 2003
Posts: 21,076
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,076
Niles , Ohio
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Swap them.I dont know why anyone would run the amp gauge anyway.They are the weak link in the wiring.Rocky
Chrysler Firepower
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Re: 1969 Dodge Charger ALT Gauge
[Re: therocks]
#435577
08/12/09 02:31 PM
08/12/09 02:31 PM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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I agree but they complete the circuit. How would do away with it? You did mean swap the gauges not the wires right? I may sound stupid but Mopar electrical systems confuse the living hell out of me.
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Re: 1969 Dodge Charger ALT Gauge
[Re: Andrewh]
#435579
08/12/09 06:20 PM
08/12/09 06:20 PM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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Quote:
you could swap the wires around and see what it does.
But most people bypass it.
Just take one of the wires and put it on the other pole so both are on the same side.
Or just join the 2 or 3 wires together in a connector.
Doing this doesn't really solve the problem, because usually the ammeter is NOT the problem. Usually it's the wiring, the connections in the firewall connector and other places. If you are going to bypass it at all, you need to run a large ga bypass under the hood "before" it gets to the ammeter
The way to tell if your ammeter is correct is to simply turn on the headlights with the engine off. It should go to the left. If not, reverse the two wires on the rear.
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Re: 1969 Dodge Charger ALT Gauge
#435581
08/12/09 07:45 PM
08/12/09 07:45 PM
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Joined: Jan 2003
Posts: 25,200
Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
I agree but they complete the circuit. How would do away with it? You did mean swap the gauges not the wires right? I may sound stupid but Mopar electrical systems confuse the living hell out of me.
Why - not that much differnt than any other one. They all have circuits, fuses, relays, switches, etc. 
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Re: 1969 Dodge Charger ALT Gauge
[Re: MoparforLife]
#435582
08/12/09 09:02 PM
08/12/09 09:02 PM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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What can I say I cut my teeth on GM cars with internal voltage reg. and no extra field wires.
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Re: 1969 Dodge Charger ALT Gauge
[Re: 451Mopar]
#435584
08/13/09 11:38 PM
08/13/09 11:38 PM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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I just found that my 1969 Dodge Charger engine harness which I ordered from Year One is actualley a 1970 engine harness which changes several things including the voltage reg. I just compared wiring diagrams of the 69 & 70 chargers and noticed that it appears that the red and black Alt gauge wires on a 70 model are oppisite of the 69. For instance if your looking at the gauge face on the 69 the red wire goes to the positve side and black goes to the Neg. side. From what I can tell on a 70 the red is going to the neg. and the black to the pos. Does anyone know this for sure. On my cluster the Pos. post has RED stamped into the metal beside it.
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Re: 1969 Dodge Charger ALT Gauge
#435585
08/13/09 11:43 PM
08/13/09 11:43 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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I am just finishing rewiring my 65 dart from head to toe & I got(& still am a bit) confused looking at the factory wiring diagrams(ie the bulkhead) whether it was showing the back or the front side. Luckily I am driving an identical 65 dart GT so I can go eyeball things but it was still a moderately major ordeal. Do double check as in fact you may be good as is.
live every 24 hour block of time like it's your last day on earth
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Re: 1969 Dodge Charger ALT Gauge
#435586
08/14/09 12:54 AM
08/14/09 12:54 AM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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Quote:
I just found that my 1969 Dodge Charger engine harness which I ordered from Year One is actualley a 1970 engine harness which changes several things including the voltage reg. I just compared wiring diagrams of the 69 & 70 chargers and noticed that it appears that the red and black Alt gauge wires on a 70 model are oppisite of the 69. For instance if your looking at the gauge face on the 69 the red wire goes to the positve side and black goes to the Neg. side. From what I can tell on a 70 the red is going to the neg. and the black to the pos. Does anyone know this for sure. On my cluster the Pos. post has RED stamped into the metal beside it.
No idea. I didn't even use to worry about it. I'd just "clip lead" the ammeter terminals when reinstalling the cluster, try the lights, and if wrong, I'd reverse 'em. No big deal
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