i bought the apexi boost controller off of someone and didn't get instructions
so i was wondering if anybody out there knew what color wires on the controller go to what sensors on the ecu
i figured out power and ground but there are 4 more colored wires that i don't know what sensors to hook...
i am having a bit of trouble
the tach only reads half of what the engine is acually doing
it is hooked to the negative terminal off of the ignition
give me some insight
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