01-08-2024, 09:13 AM
Thought I'd update re the relay wiring anyway. This assumes you have the 16v XSi with the Bosch MP5.2 ECU.
The ignition coil and the injectors are indeed powered from different sides of the dual relay. If you want to do any testing, this is the pin data for the side of the relay that powers the injectors:
Pin 14 - Power for control side
Pin 7 - Ground for control side (provided by pin 36 on the ECU)
Pins 8 & 15 - Power to the supply side of the coil
Pin 13 - Power out to injectors (which are then grounded via pin 17 on the ECU)
If that side of the coil isn't working you'll also have no power to the throttle body heater, the EVAP purge solenoid, or to pin 37 on the ECU. (These come from pins 4, 6 & 5 respectively on the dual fuel relay).
The ignition coil and the injectors are indeed powered from different sides of the dual relay. If you want to do any testing, this is the pin data for the side of the relay that powers the injectors:
Pin 14 - Power for control side
Pin 7 - Ground for control side (provided by pin 36 on the ECU)
Pins 8 & 15 - Power to the supply side of the coil
Pin 13 - Power out to injectors (which are then grounded via pin 17 on the ECU)
If that side of the coil isn't working you'll also have no power to the throttle body heater, the EVAP purge solenoid, or to pin 37 on the ECU. (These come from pins 4, 6 & 5 respectively on the dual fuel relay).