View Full Version : questions on the TFI Upgrade.....
JeepinStang77
01-02-2003, 03:14 AM
Ok i got the cap adapter, remanned Dist, Cap, rotor, the stock coil of my Mustang and a new ignition module, but the module has 4 and 2 prong connectors, while the Dist has a 3 prong, am i missing something here?
smile.gif anyone got a good underhood pic??
also how do i connect the module to power??
do i need a wire from the solinoid or what?
im kinda not very experianced in the way of Ignition swaps...
Thanks ahead of time!...
BostonWagoneer
01-02-2003, 03:42 AM
Any TFI that I have seen uses the stock ignition module and stock distributor. The Mustan will probably have a different ignition module even if it is a Motorcraft unit.
Use your stock distributor and you'll be all set.
Jeep Craze
01-02-2003, 09:16 AM
Hey Jeepinstang,
The 4wires on the ign. module go to the 4wire plug from the trucks wire harnes. I know I know yoiu don't have that.....in that case, Violet,Orange,and Black go to the corresponding colors on the distribitor. The green wire(not black w/ green trace) the green wire goes to the Negative on the coil. That is what does the breaking of the circuit to charge and discharge the coil.DO NOT RUN 12 full volts to the positive side of the coil. IT needs to have a resistor in there to reduse the voltage to 9volts.However on ur starter relay there is two side terminals. Oe is I the other is ????not sure of letter. The one that is closest to the starter wire a wire goes from there to the red wire for the coil. THat way it gets 12 volts when trying to start but when the key is released it then gets the 9 volts through the resistor. The other plug that has two wire gets hooked up like Red to ignition soarce. 12 volts w/ key on 0 volts w/ key off. The white wire on the module hooks to a blue wire which goes into the cab not sure where it goes??? I have a wiring schematic I can send you in email.
Craig
turtle jim
01-03-2003, 01:19 AM
JeepinStang77
Sent you an email
Good luck with your upgrade.
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