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converting to electroic ign... kinda
#549379
12/08/09 11:38 PM
12/08/09 11:38 PM
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Joined: May 2006
Posts: 388
wine valley
cudaben1968
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enthusiast
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OP
enthusiast
Joined: May 2006
Posts: 388
wine valley
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i have a 68 barracuda, just got a new wiring harness from year one. but i got it for a electroinc ign and updated alternator. i dont have a clue how to wire it up. more wires no wiring diagram... i thought that it would be easier to use the updated one than to buy a new replacement one and upgrade that one. im running msd 6al and a internally regulated 3 wire alternator now. does anybody know of a diagram or has done this in the past and can shed some light on this for me
Half measures availed us nothing. We stood at the turning point.
-Alcoholics Anonymous, The Big Book
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Re: converting to electroic ign... kinda
[Re: cudaben1968]
#549380
12/09/09 12:32 AM
12/09/09 12:32 AM
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Joined: Nov 2003
Posts: 6,293
Rock Springs
Bob_Coomer
master
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master
Joined: Nov 2003
Posts: 6,293
Rock Springs
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Well, the Blue wire is usually a good one for the switched 12 volt source..
Having the MSD box, it will wire much diff than the factory...I would look at MSD's web site for a diagram but off memory..
Large red...runs straight to battery..or I should say to the main kill switch (not the battery side)
Large black should run to a good ground, or better straight to the battery negative side.
Small red on is the switch 12 volt wire (blue one) or any wire that is only hot with the ignition "ON"
Small black to ground.
Little orange and black go to the coil.
That leaves the pig tail to the dist.
[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
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Re: converting to electroic ign... kinda
[Re: Bob_Coomer]
#549383
12/09/09 12:17 PM
12/09/09 12:17 PM
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Joined: Feb 2005
Posts: 5,207
Menomonee Falls
DemonDust
master
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master
Joined: Feb 2005
Posts: 5,207
Menomonee Falls
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Quote:
Large red...runs straight to battery..or I should say to the main kill switch (not the battery side)
Large black should run to a good ground, or better straight to the battery negative side.
Small red on is the switch 12 volt wire (blue one) or any wire that is only hot with the ignition "ON"
Small black to ground.
Small red needs to be connected to circuit that is hot in the ON and CRANK key position. If it is wired to just hot when on the car won't start...
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Re: converting to electroic ign... kinda
[Re: cudaben1968]
#549384
12/09/09 12:19 PM
12/09/09 12:19 PM
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Joined: Feb 2005
Posts: 5,207
Menomonee Falls
DemonDust
master
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master
Joined: Feb 2005
Posts: 5,207
Menomonee Falls
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Quote:
ive got that much, but the part i dont get is the two wires that go to the "alternator indicator" one is dk grn and the other is dk blu.on a later (73) wiring diagram they come off the alt and go to the indicator then to the ballast resistor. but on my 68 i dont have a alternator indicator.... unless that is the "voltage regulator" i dont know, seems once again im in over my head 
If using MSD the ballast resistor does nothing. I thought you were using a toyata alt or something like that?? 
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Re: converting to electroic ign... kinda
[Re: DemonDust]
#549385
12/11/09 03:20 AM
12/11/09 03:20 AM
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Joined: May 2006
Posts: 388
wine valley
cudaben1968
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enthusiast
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OP
enthusiast
Joined: May 2006
Posts: 388
wine valley
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i do have the toyota alt. but i got a conversion wiring harness from year one b/c i thought that it would be easier to put the whole system together with that. so when i unrolled it im looking at new plugs that go the things i dont have and i know i wont use, but i dont know how to eliminate them. but i have since called year one and they are returning it for me and giving me a new stock style harness. which i can then copy what i had previously done. well the correct parts...  so i guess this is now a mute point. thanks guys.
Half measures availed us nothing. We stood at the turning point.
-Alcoholics Anonymous, The Big Book
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