How to wire a 4wire alternator OBD1 to a 3 wire OBD1 alternator?
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From: Montreal, Quebec, Canada
How to wire a 4wire alternator OBD1 to a 3 wire OBD1 alternator?
Well Its a long story and i need to know how to wire my harness which is OBD2 into OBD1,, just the alternator plug....
since OBD2 is 4 wire and OBD1 is 3 wires,,,
how can you wire it from 4 wires into 3?
Is it possible? anyone done this before!
thanks
Tyler
since OBD2 is 4 wire and OBD1 is 3 wires,,,
how can you wire it from 4 wires into 3?
Is it possible? anyone done this before!
thanks
Tyler
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Joined: Sep 2000
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From: Tempe, AZ, USA
Re: How to wire a 4wire alternator OBD1 to a 3 wire OBD1 alternator? (ATgrills.com)
Do you have the Helms? I would say look in there; I would do it for you but I am at work and chained to my desk.
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From: Rochester, NY
Re: How to wire a 4wire alternator OBD1 to a 3 wire OBD1 alternator? (ATgrills.com)
I've dropped an obd2 alternator into an obd1 car (and harness) and they both had 4 plugs. They were different styles/shapes, so I hacked an obd2 alternator plug off (and 2" of wires) of a stock d series harness and spliced it into the obd1 harness since the pins couldnt be moved over, I soldered the wires. 
I dont understand the question if my reply doesnt help you
I dont understand the question if my reply doesnt help you
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Joined: Mar 2000
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From: Jasma
Re: How to wire a 4wire alternator OBD1 to a 3 wire OBD1 alternator? (owen_the_soyboy)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by owen_the_soyboy »</TD></TR><TR><TD CLASS="quote">I've dropped an obd2 alternator into an obd1 car (and harness) and they both had 4 plugs. They were different styles/shapes, so I hacked an obd2 alternator plug off (and 2" of wires) of a stock d series harness and spliced it into the obd1 harness since the pins couldnt be moved over, I soldered the wires.
I dont understand the question if my reply doesnt help you </TD></TR></TABLE>
J00 talking about an alternator or distributor?
I dont understand the question if my reply doesnt help you
</TD></TR></TABLE>J00 talking about an alternator or distributor?
Thread Starter
Member
Joined: Aug 2002
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From: Montreal, Quebec, Canada
Re: How to wire a 4wire alternator OBD1 to a 3 wire OBD1 alternator? (owen_the_soyboy)
U guys are confusing me.. there are 3 pin(wire) and 4 pin(wire) alternators
my harness is set up for the 4 pin but i need to run a 3 pin alternator because of my supercharger pulley
I was told to put off the yellow/white wire and just wire up the other 3 wires!!
anyone know?
Tyler
my harness is set up for the 4 pin but i need to run a 3 pin alternator because of my supercharger pulley
I was told to put off the yellow/white wire and just wire up the other 3 wires!!
anyone know?
Tyler
Joined: Feb 2004
Posts: 29
Likes: 0
Re: How to wire a 4wire alternator OBD1 to a 3 wire OBD1 alternator? (ATgrills.com)
You won't be using the alternator control ouput from the ECU. I am not sure of the wire colors for your vehicle. Here is a good explanation of the alternator control circuit: http://www.smpcorp.com/download/view/Tt1Q98.PDF
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