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Old

Mar 10, 2001 | 08:14 PM

#1

macks

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fire need help

hey i need help from under dash blaze.need to know about motorcraft ignition in a 1977 f150 4x4.wires going from box on fender thru firewall to ignition switch.one is red other white.which one is hooked to resistor and is on while engine is running?the other one would be hooked 12v only when cranking? i hooked both to + side of bat and crossed sol. and she ran.I have everything all wired now but am stumped with two wires above. THANK YOU FOR YOUR INPUT MACKS eng.351m edelbrock holley 650 double pumper 35x12.50 supers 4" susp 3" body 4speed 205transfer

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Old

Mar 10, 2001 | 09:39 PM

#2

stingray

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fire need help

The red one gets 12v in start, and the white one gets 12v in run.

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Old

Mar 10, 2001 | 09:54 PM

#3

macks

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fire need help

THANKS STINGRAY I didnt hurt anything running both wires to 12v + for a little while did i? macks

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Old

Mar 12, 2001 | 09:04 AM

#4

64 f100

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fire need help

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