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Electrical wiring help needed #1722356 01/05/15 03:40 PM 01/05/15 03:40 PM
Joined: Oct 2004 Posts: 1,060 Ball Ground GA T TrueTripleX OP super stock
TrueTripleX OP super stock T Joined: Oct 2004 Posts: 1,060 Ball Ground GA	I have a 71 roadrunner with a 383 that someone has �played� a lot with on the wiring, and I could use some help with. The car has a 5 pin ECU and a two pin ballast. The alternator has dual field terminals on the back. Can someone help by telling me where the five wires from the ECU connect and the proper wring sequence between the Alternator, ballast, regulator (modern) and distributor?

Re: Electrical wiring help needed [Re: TrueTripleX] #1722357 01/05/15 04:06 PM 01/05/15 04:06 PM
Joined: Jan 2003 Posts: 2,530 Nunya CA CR8CRSHR master
CR8CRSHR master Joined: Jan 2003 Posts: 2,530 Nunya CA	Quote: I have a 71 roadrunner with a 383 that someone has �played� a lot with on the wiring, and I could use some help with. The car has a 5 pin ECU and a two pin ballast. The alternator has dual field terminals on the back. Can someone help by telling me where the five wires from the ECU connect and the proper wring sequence between the Alternator, ballast, regulator (modern) and distributor? Here ya go... http://www.mymopar.com/index.php?pid=18

Re: Electrical wiring help needed [Re: TrueTripleX] #1722358 01/05/15 06:16 PM 01/05/15 06:16 PM
Joined: Apr 2010 Posts: 4,154 bethlehem pa M mikemee1331 master
mikemee1331 master M Joined: Apr 2010 Posts: 4,154 bethlehem pa	Quote: I have a 71 roadrunner with a 383 that someone has �played� a lot with on the wiring, and I could use some help with. The car has a 5 pin ECU and a two pin ballast. The alternator has dual field terminals on the back. Can someone help by telling me where the five wires from the ECU connect and the proper wring sequence between the Alternator, ballast, regulator (modern) and distributor? https://board.moparts.org/ubbthreads/show...e=2#Post8379985 it's over in the tech section

Re: Electrical wiring help needed [Re: TrueTripleX] #1722359 01/05/15 08:00 PM 01/05/15 08:00 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: The car has a 5 pin ECU and a two pin ballast. The alternator has dual field terminals on the back. If that 5 pinner is an OE item with a functioning 5th pin then it will require a 4 terminal "dual" ballast. Ohm the 5th pin (red/green wire on archives pentastar diagram) & if it has continuity then yes it is one of those. If it has no continuity (infinity on the meter) then it is a dummy 5th pin & a 2 terminal "single" ballast will work fine live every 24 hour block of time like it's your last day on earth

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