Re: ALTERNATOR WIRING 101.....................
[Re: Thumperdart]
#2431249
01/08/18 08:51 PM
01/08/18 08:51 PM
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Joined: Mar 2009
Posts: 2,463 Sydney,Australia
tex013
top fuel
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top fuel
Joined: Mar 2009
Posts: 2,463
Sydney,Australia
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Last edited by tex013; 01/08/18 08:54 PM.
New best ET 10.259@129.65 . New best MPH 130.32 Finally fitted a solid cam, stepped it up a bit more 3690lbs through the mufflers New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm Power by Tex's Automotive
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Re: ALTERNATOR WIRING 101.....................
[Re: Thumperdart]
#2431257
01/08/18 08:57 PM
01/08/18 08:57 PM
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Joined: Jan 2004
Posts: 3,837 Central Missouri Fort Leonard...
mopar65
master
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master
Joined: Jan 2004
Posts: 3,837
Central Missouri Fort Leonard...
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Dim if you haven’t allready done it yet. I would bypass the Alt wire wear it goes through the bulk head connector and bypass the factory amp guage
3520 pound race ready 1973 Street/Strip Dodge Dart - Stock stroke 440/727
10.49 @ 125.0 on 93 pump gas & ET Street Radials. More to come...
( SGT Miller) Proudly served 12 years in the US ARMY RESERVES
support our troops
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Re: ALTERNATOR WIRING 101.....................
[Re: Thumperdart]
#2431258
01/08/18 08:58 PM
01/08/18 08:58 PM
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Joined: Jan 2004
Posts: 3,837 Central Missouri Fort Leonard...
mopar65
master
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master
Joined: Jan 2004
Posts: 3,837
Central Missouri Fort Leonard...
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That was supposed to be Dom. Stupid phone. Lol
3520 pound race ready 1973 Street/Strip Dodge Dart - Stock stroke 440/727
10.49 @ 125.0 on 93 pump gas & ET Street Radials. More to come...
( SGT Miller) Proudly served 12 years in the US ARMY RESERVES
support our troops
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Re: ALTERNATOR WIRING 101.....................
[Re: mopar65]
#2431263
01/08/18 09:06 PM
01/08/18 09:06 PM
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Joined: Jul 2004
Posts: 19,317 State of confusion
Thumperdart
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OP
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Dim if you haven’t allready done it yet. I would bypass the Alt wire wear it goes through the bulk head connector and bypass the factory amp guage Did that years ago............Thankxxx guys and I do have a volt meter but me and a drunk friend wired some of this stuff 15 years ago and w/the key in the run position it charges but when I click it back a notch, no charging so part of it goes through the ign..........
Last edited by Thumperdart; 01/08/18 09:08 PM.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: ALTERNATOR WIRING 101.....................
[Re: nss guy]
#2431287
01/08/18 09:57 PM
01/08/18 09:57 PM
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Joined: Jul 2004
Posts: 19,317 State of confusion
Thumperdart
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I actually run a big regular batt cable to a bulkhead on the firewall that goes straight to to the batteries.........The fuse or relay was recommended so I will also do that............ Do I need a bulb/light like stock cos it's been w/out since day one......
Last edited by Thumperdart; 01/08/18 09:59 PM.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: ALTERNATOR WIRING 101.....................
[Re: Thumperdart]
#2431337
01/08/18 11:10 PM
01/08/18 11:10 PM
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Joined: Jan 2003
Posts: 6,591 Canton, Ohio
Sport440
master
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master
Joined: Jan 2003
Posts: 6,591
Canton, Ohio
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None of the actual charging amps goes through the ignition switch. The ignition switch does send positive voltage to the alt or regulator, Depending on the Alt setup. Stock, the + went to the Regulator from the Ign switch.
Do you have the 4 wire Denso as shown in the above diagram? If so it does need a light or small resister to energize the alt. But, you say your light has never worked. I say move up to a one wire as suggested.
Your big Positive output wire to a bulk head, non factory on the fire wall is fine. But, it does make it tougher to get your motor to lose + volts with the trunk mounted kill switch. Is that operational now, as wired previously? If not, time to address that as well.
But, Whats wrong with your ignition switch. You can turn it back a notch and lose charge voltage. Most switches are {Acc/Off/Run/Start}. So you have {Acc/no,charge/Run/Start}. That doesn't make any sense to me, maybe just a Wore out ign switch that you can rotate back in between {Run/Off}, killing power to the alt or reg. But I think Denso,s have there own built in reg.
Last edited by Sport440; 01/08/18 11:37 PM.
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Re: ALTERNATOR WIRING 101.....................
[Re: Sport440]
#2433993
01/13/18 05:50 PM
01/13/18 05:50 PM
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Joined: Jul 2004
Posts: 19,317 State of confusion
Thumperdart
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Well after days of thinking and a basic understanding of how an alt. works, I decided to check some grounds and other connections as suggested from you guys and sure enuff the ground post nut was loose. Not a lot but obviously enuff to make the alt. send more current due to the resistance but I still have the issue where the afr gauge still goes crazy till I turn on the headlights so I will check the headlight connection and ground and go from there I guess unless anyone has another idea..........Much thankxxx guys.............
Last edited by Thumperdart; 01/13/18 05:51 PM.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: ALTERNATOR WIRING 101.....................
[Re: crackedback]
#2434032
01/13/18 07:22 PM
01/13/18 07:22 PM
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Joined: Jul 2004
Posts: 19,317 State of confusion
Thumperdart
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OP
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Dom
Check the voltage where you are pulling power for the AF meter.
Madeletric has some good stuff, I don't agree with suggestions of cutting up wiring harnesses to make improvements. Cutting anything really isn't necessary.
Sounds as though you are still having an overcharge issue.
Cable size running from alternator to battery? How are you sourcing power for cabin/ignition?
I need to do that as you and a few suggested and it's not overcharging anymore and in fact, is charging less now that the main grounds and power posts are tight. The alt. power cable is actually a battery cable so is it possible it's TOO big and maybe only need a #8? I just drove it and w/out lights the idle, cruise and wfo #'s dance, lights on, rock solid so I will isolate the WB system away from other sources and try again...........Thankxxx.............
Last edited by Thumperdart; 01/13/18 07:22 PM.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: ALTERNATOR WIRING 101.....................
[Re: Thumperdart]
#2434065
01/13/18 08:21 PM
01/13/18 08:21 PM
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Joined: Feb 2008
Posts: 714 Central TEXAS!!!!
sr4440
super stock
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super stock
Joined: Feb 2008
Posts: 714
Central TEXAS!!!!
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are you checking all the wring by doing a "voltage drop test"? I would check between the alternator case and the battery.
Joe
Without Data, you’re just another guy with an opinion.
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