Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

OBD1 pinout?

Old Mar 15, 2011 | 03:11 PM
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White'89's Avatar
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From: Cincinnati, Ohio
Car: '89 GTA
Engine: 5.7L LS1
Transmission: 4L60E
Axle/Gears: 9 bolt 3.27
OBD1 pinout?

looked in various places and cant seem to find the correct answer. The OBD1 connector in my GTA has 7 wires and I need to know what the pinout is. Wasn't sure if it was universal or is F-body TPI specific.
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Old Mar 15, 2011 | 05:50 PM
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: OBD1 pinout?

Std GM OBDI pinout



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Old Feb 16, 2014 | 09:43 PM
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Re: OBD1 pinout?

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