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90 DA WIRING UNDER DASH WONT LET CAR STAY RUNNING OR START

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Old Feb 17, 2010 | 08:29 PM
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From: AUSTIN TX
Default 90 DA WIRING UNDER DASH WONT LET CAR STAY RUNNING OR START

ITS A 90 INTEGRA WITH A OBD0 TO 1 COVERSION HAS A GSR MOTOR SUNK2 EVERYTHING HEAD 400HP TURBO CAR STARTED WITH 3 BENT VALVES THEN FIXED ALL STARTED RIGHT UP IDLED FOR 10 MIN THEN DIED REPLACED DIZZY STARTED THEN DIED CRANKS BUT WONT START WHEN IN ACC POSTION ALL LIGHTS ON DASH ARE BRIGHT AND ON EXCEPT CHECK ENGINE LIGHT WHICH IS DIM IF I WAIT IT COMES ON BRIGHT LIKE OTHERS THEN I HERE FUEL PUMP KICK ON AND AS SOON AS I TRY TO START IT JUST CRANKS THEN ENGINE LIGHT GOES DIM AGAIN I TRIED MOVING WIRES UNDER DASH AND TURN KEY TO START AT THE SAME TIME IT ALMOST STARTED ANY IDEAS REALLY NEED HELP ON THIS ITS BEEN A YEAR SINCE I STARTED THIS BUILD AND I HAVE ONLY DRIVEN 160 MILES HELP
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Old Feb 18, 2010 | 07:13 AM
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From: kelowna, bc, canada
Default Re: 90 DA WIRING UNDER DASH WONT LET CAR STAY RUNNING OR START

I would drop and check the PGM-FI Main Relay and/or wiring to it.

The fuel pump should prime as soon as ign. switch is turned to run.

The first thing I would check is the ground to the PGM-FI Main Relay, [black], it is the ground for the fuel injector relays coil, other side of coil is supplied 12V+ by cars ign. switch, [black/yellow, hot in run and start], the output, [12V+] of the fuel injector relay supplies power to the injectors, ECU/ECM a few engine sensor/valves and the coil of the fuel pump relay.

If "MOVING WIRES UNDER DASH" has an effect then you have a connection problem and it sounds like it is at/to the PGM-FI Main Relay or the relay itself.
Problems with the PGM-FI Main Relay, [cold solder connections] is common on older Honda/Acura. 94
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