Resistor wire
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Junior User
Joined: Mar 2012
Posts: 55
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From: costa mesa CA
Resistor wire
I rewired my truck and its a 63 but the motor is a 78 302 with a c4, Well i finished or thought i was but i have this resistor wire and cant find out where to put it any sugestions. Its a little pink wire. I started it and it makes this winding noise, and when i shut it down or turn the key off it winds down and takes a couple seconds to stop after i turn the key???
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
Likes: 6
From: Raphine, Virginia
Resistor wire leaves run position of ignition switch to + side of coil. Start position provides full battery voltage for starting. Here is a DSII diagram. Not shown is a wire from "I" term of starter solenoid tied in at firewall.
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Junior User
Joined: Mar 2012
Posts: 55
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From: costa mesa CA
Thank you for the diagram.
Lead Driver
Joined: Aug 2003
Posts: 6,305
Likes: 18
From: Boulder Creek, Ca
Nice looking ride, mentioned 'rewire', in the event it's an aftermarket kit then the copy of the ignition circuit I posted will likely be useless; unfortunately the pic is pathetic perhaps another member can provide one better. May want to consider purchasing the wiring manual, I found it extremely helpful tracing down the occasional electrical gremlins. Most Ford supplier's carry them, purchased mine directly from Jim Osborn Reproductions for $7.
http://i300.photobucket.com/albums/n...gIgncharge.jpg
http://i300.photobucket.com/albums/n...gIgncharge.jpg
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
61.49" long / Color coded PINK / 1.30-1.40 ohms resistance / #20 gauge wire.
Original applications: ALL 1960/70 FoMoCo vehicles. There are two others:
D1AZ-12250-A 60" long used 1971/79 (color coded red w/green stripes) / D7AZ-12250-A 49" used 1977/86, thru 1991 on Econolines only (color coded red).
Both D1AZ & D7AZ are #16 gauge wire. The ohms resistance is the same for all.
DuraSpark electronic ignition introduced in 1974, but not all vehicles came with it until 1976.
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