TPI Engine Wiring Issue, need wiring guru's input I am in the process of completing a TPI swap in my 1990 rs and i am having an issue with the fuel pump circuit not functioning. THE FACTS: -The car is a 1990 Camaro rs and came with a 305 TBI auto. -The engine and wiring all came out of an 87 Trans Am Gta, and it is a 350 MAF TPI auto setup. -It has all new sensors -All of my relays are in working condition -All of the sensors and plugs has been appropriately placed -The fuel pump has been replaced to an 87 TPI pump (it has been tested and works fine) -The Car wiring worked perfect with the last engine harness -The Trans Am motor and Harness had no issues. -The Trans Am motor blew and i had the motor professionally rebuilt. I then proceeded to swap the setup into the 90 rs because the 305 tbi blew also THE ISSUE: -Something is wrong with the fuel pump circuit. -Everything else has been tested for power and ground and works correctly -The sensors and plugs have all been checked and rechecked based on appropriate diagrams -The pump will only turn on if it is powered with a jump wire. The main issue is the fuel pump does not turn on when the key is turned to the on position. I need for the pump to turn on and function correctly. Where could my problem possibly be? Could it be because i put an 87 harness in a 90 car? Thus causing a connection problem at the bulk head? I have ran out of options and ideas and i could really use some help. Thank You all. :) |
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