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Hello all! I have a 1986 Ford F150 XLT Lariat 4spd, l6 engine. The ignition module has gone out twice since owning it, once this past december and earlier this month. I just got it back with a premium Ignition Module(Under warranty) And they suggested replacing the cap and rotor and did so. What causes these Modules to go bad?
I have LED light strips running from my parking light fuse in the fuse box, to under my headlights, Does this have ANYTHING to do with it? (Voltage, ect…) I just dont want this to happen anymore, at least for a few years. Any help is appreciated.
It does idle very rough, needs a new carb. But not concerned cause i never let it idle anyway, unless in traffic.
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My experience with these is heat related. Do you do a lot of towing with the vehicle. The modules need to be installed with heat sink compound
This should be the TFI module located on the side of the distributor. Before installing the replacement module did you throughly clean the area on the distributor to which the module mounts and did you liberally apply the special diaelectric grease?
If not, the new module will soon fail.
The best way of solving these heat related module failures is to mount the module to a piece of finned aluminum heatsink mounted on a fender and extend the wiring to the module.
For what it’s worth, with the key on and with a stone cold engine the metal backing on the rear of those modules will get scalding hot in seconds.
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