Join Date: May 2002
Location: New Braunfels TX
There is a main power relay that needs to come on, in order for the ecu to turn on. No ecu power and you'll get no ground to the fuel pump relay.
However, if you have power on both sides of your inertia switch that tells a lot because it is downstream of all of the above. So if that's true we can know the main power relay works, the ecu is providing ground to the fuel pump relay, and the fuel pump relay works too.
So either you have bad wiring between the inertia switch and the fuel pump itself, or your fuel pump is dead.
'94 GT, White, Cobra hood & bumper cover, '95R wheels
393w, Vic Jr 60cc, XE282HR, Victor 5.8 EFI, 80# injectors, Hooker LT 1 3/4 to 3", Borla proXS
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T56 w/ AJE xmember, McLeod street twin, MM/Bilstein '03 IRS, JRi Agent47 SLA