Ok, Iv had the haltech E6X model installed on my car for 3 months. It has already been power tuned. The other day the car died while i was driving. After several attempts at starting the car, I realized the fuel pump relay is not clicking, nor is pump kicking on to prime the fuel system. The constant voltage wire has power from the battery, and the grey switched wire has 12v with the key on. The only thing that could keep the relay from energizing, is that the trigger wire is not being grounded by the ecu. Correct? I need to check the wire for continuity between the ecu and the relay. Does anyone know the pin # of the trigger wire (Black/yellow), and its location on the main harness connector??

Thanx,

Machija

 

[quote name='rotorizit' date='Jul 29 2005, 11:27 AM']Ok, Iv had the haltech E6X model installed on my car for 3 months. It has already been power tuned. The other day the car died while i was driving. After several attempts at starting the car, I realized the fuel pump relay is not clicking, nor is pump kicking on to prime the fuel system. The constant voltage wire has power from the battery, and the grey switched wire has 12v with the key on. The only thing that could keep the relay from energizing, is that the trigger wire is not being grounded by the ecu. Correct? I need to check the wire for continuity between the ecu and the relay. Does anyone know the pin # of the trigger wire (Black/yellow), and its location on the main harness connector??

Thanx,

Machija


[/quote]

Pin #33 on the ECU is the fuel pump trigger which goes to lug #86 on the relay. Try changing the relay with one that you know works. Also check pin #30 on the relay with key in the start position, this is the +12V out to fuel pump.

 

yeah it could be a bad relay.