Everything You Need To Know About 1979-1993 Foxbody Mustangs
For 1986-1988 Mustangs all you need is a test light or analog voltmeter and a couple of small gauge jumper wires. On the driver side towards the back of the engine bay you need to identify the VIP/DLC connector and jump the #2 SIGRTN (signal return) and STI (self test port) together (unfolding a …
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