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What is this plug for on my 89 gta

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Old 08-23-2022, 10:55 AM
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What is this plug for on my 89 gta


I just got the car. It seems to run and drive fine. It has 23 and 32 codes. I noticed the a/c is unplugged I’m guessing it’s seized. I found the plug just sitting there. Any idea what it is for? 89 gta 5.7

Old 08-23-2022, 12:48 PM
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Car: 90 Formula / T-tops
Engine: 305 TPI
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Re: What is this plug for on my 89 gta

dont recognize it off the top. looks like it is near the big relay farm. how far will it reach? kind of hard to tell from that close up
Old 08-23-2022, 01:02 PM
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Re: What is this plug for on my 89 gta

I can’t see any missing relays.
Old 08-23-2022, 01:04 PM
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Re: What is this plug for on my 89 gta


Old 08-23-2022, 04:24 PM
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Re: What is this plug for on my 89 gta

Might be connector for the "Low Blower Relay"
Seems to match the general shape for connector face shown in 1988 Firebird Service Manual, Section 8-A-202-11 (page 1592).
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vorteciroc (08-23-2022)
Old 08-23-2022, 06:09 PM
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Re: What is this plug for on my 89 gta

Originally Posted by QwkTrip
Might be connector for the "Low Blower Relay"
Seems to match the general shape for connector face shown in 1988 Firebird Service Manual, Section 8-A-202-11 (page 1592).
Can someone please confirm the Wire Colors for me?
Old 08-23-2022, 06:31 PM
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Re: What is this plug for on my 89 gta



Old 08-23-2022, 07:00 PM
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Re: What is this plug for on my 89 gta

-14AWG Red with White Tracer?
-14AWG Solid Purple?
-16AWG Brown with White Tracer?
-16AWG Solid L-Green?

???
I was looking for a Confirmation not another Image, but that's okay... we'll try again.
Old 08-23-2022, 07:05 PM
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Re: What is this plug for on my 89 gta

Solid green
solid purple
brown with white line
red with white line
Old 08-23-2022, 07:08 PM
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Re: What is this plug for on my 89 gta

I do appreciate the help. I have a 85 trans am I have not driven since 93 and just got this 89 gta with 63000 kilometres.
15 years ago I was on third gen a lot. Seems like the internet has changed since then.
Old 08-23-2022, 07:49 PM
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Re: What is this plug for on my 89 gta

Looks like it goes to a relay mounted on the rear inner fender area. Here's a pic from my 89 with the relay bracket removed for cleaning:



Old 08-23-2022, 07:51 PM
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Re: What is this plug for on my 89 gta

Maybe fog lights ? They are not working
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dmccain (08-24-2022)
Old 08-23-2022, 07:58 PM
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Re: What is this plug for on my 89 gta

The MAF, MAF Burn off and Fuel Pump relay are all there. The other relay that lives in that neighborhood is for the fog lamp relay which is what this is for. From another post

"Purple = Output to Lamps
Green = Ground
Brown-White = Input Trigger From Switch
Red = 12Volts Constant"
Old 08-23-2022, 08:00 PM
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Re: What is this plug for on my 89 gta

Any idea how to get one?
Old 08-23-2022, 08:02 PM
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Re: What is this plug for on my 89 gta

Originally Posted by Jay-GTA
Any idea how to get one?

The relay? Parts store. Can look up the part number on Rockauto or similar as well.
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