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pin 58 on the ecu is indeed the power source for all of the injectors. So yes you will get continuity with them all on this pin, at least you should. Bellow is the order, location and pin numbers for each injectors ground wire on the ecu connector. It would also be good to ensure the same terminal on the injector connector is not giving continuity for pin 58 and the grounding pin with the Injector and ecu unplugged. This would mean both wires are touching.
1991 manual
Locations are looking at an unplugged ecu connector with the protruding box section in the middle of the connector to your left:
Injector 1= pin 101-wire color w- location:top left terminal on ecu connector
Injector 2=pin 110-wire color w/g-location:2nd terminal down on the right
Injector 3=pin 103-wire color w/r-location:3rd terminal down on the left
Injector 4=pin 112-wire color w/b-location:4th terminal down on the right
Injector 5=pin 105-wire color L-location:5th terminal down on the left which is just before the empty slot
Injector 6=pin 114-wire color w/L-location:6th terminal down on the right which is next to the empty slotEnsure that these pins match up and give continuity to the proper injector. If this all checks out make sure your injectors are getting a signal. To do this: 2 bobby pins ( stuck in the back of the Injector connector alongside the ground and power wires so that they make contact with the terminals while the injector is plugged in) and an led wired to the bobby pins. The led will flash really quickly when the injector gets signal to fire. This is probably better done at night as the flash is really quick.
"torque gets you off the line...& hp gets you over the line." -
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