Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

injector power source pin on p28?

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Old Apr 9, 2011 | 01:14 PM
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From: Los Angeles Ca
Default injector power source pin on p28?

whats up guys i posted the is a couple days ago on the crx/ef page and no one seems to know what im talking about.

this past weekend i swapped a stock d16z6 into an 88 dx hatch. i could not get the injectors to fire i started checking my wiring and sure enough on the jumper harness i bought there is no pin going out of A15 to the p28. i unhooked that pin and ran it straight to the battery and she fired right up. i would like to know what pin on the p28 is the power source for the injectors i tried A25 on the p28 put no luck.

any help would be greatly appreciated.
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Old Apr 9, 2011 | 01:42 PM
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Default Re: injector power source pin on p28?

Voltage for the injectors is supplied by the main relay. The ECU grounds for this injector voltage.

ECU A15 grounds voltage for the A/C compressor clutch relay.

Check out this link:

http://www.phearable.net/tech/wiring...schematics.gif
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Old Apr 9, 2011 | 02:47 PM
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Default Re: injector power source pin on p28?

Originally Posted by RonJ@HT
Voltage for the injectors is supplied by the main relay. The ECU grounds for this injector voltage.

ECU A15 grounds voltage for the A/C compressor clutch relay.

Check out this link:

http://www.phearable.net/tech/wiring...schematics.gif
what i mean is on the obd0 side of the jumper harness at a15 to where ever it has to go to the p28 there is no wire there so no power to the injectors i used this guide for the swap. http://hondaswap.com/swap-articles/d...writeup-49557/ now if im right and correct me if im wrong a25 on the p28 should be the power source for the injectors.
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