ECU, Wiring, Sensors
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By LaosToaster
#256348 Ok so today I got my main relay kill switch installed, but now my fuel pump won't prime. :( I'm not sure what went wrong. I only get one click on the main relay( key on1)

My main relay has two black ground wires, I joined those two together and spliced it with a 16 gauge wire and pinned it to my switch (20amps) and grounded the other pin. I can toggle it on and off and the check engine light also goes off and on.

When I start the engine it just cranks obviously. I'm pooped I don't kno where to look or what I did wrong. And everything is tucked away, great I gotta rip it all out again I should of tested it first. :thumbdown:

Any help would be great