Quote:
Originally Posted by KingLT1
Agree...which makes me wonder why you wouldn't hook the JMS directly to the wire coming out of the FSCM to the fuel pump so it bypasses the FSCM. It reads like rob has it the JMS boosting the control module, then the module still regulates voltage to the pump. Or did I read his diagram wrong?
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Yeah that what seems like is happening.
I have debated connecting it up directly by tapping into the grey wire that runs to the fuel pump. To see what happens and if I can isolate where my problem is at. But the voltage on this wire varies so it would not be supplying a consistent 12.xx volts to the jms no sure what this would impact.
At this point I think I am going to start from ground zero, pull it back out, run the red wire directly from the battery and recrimp the white wire to the red wire with the purple tracer connection and use a different body ground to see if I see any improvement. If that does not work then I am going to connect directly to the fuel pump with the car off and run fuel into a bucket to measure the volume coming from the fuel pump to see if there is a problem with the in tank pump.