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#1
04-16-2021, 02:16 AM
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70 Firebird with A/C Wiring
Hi,
I'm trying to figure out a few final wiring loose ends. Fwiw, my original AM FM Delco Stereo radio/8 track is installed wired to aftermarket speakers and is working properly. There are 4 connections I am unsure of. For the sake of organization, I will post the homeless connectors in individual post. I appreciate the help. 1st Mystery Connector below has 3 wires and is in the HVAC, fuel gauge pod area as shown: Last edited by GREGGDOG; 04-16-2021 at 02:28 AM. |
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#2
04-16-2021, 02:19 AM
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70 Firebird with A/C Wiring questions
Connector #2 ( by top of glove box):
Last edited by GREGGDOG; 04-16-2021 at 02:25 AM. |
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#3
04-16-2021, 02:22 AM
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70 Firebird with A/C Wiring questions
Connector #3
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#4
04-16-2021, 02:25 AM
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70 Firebird with A/C Wiring questions
Connector #4 ( in same loom with the neutral safety switch)
Thank you |
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#5
04-16-2021, 10:39 AM
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Here are my initial thoughts.
#1 Yellow wires are Hot in on and Acc. Usually radio power, but with a 8 track harness that could be duplicated. Also yellow circuits under hood power Ignition. #2. Looks like end of the trunk release wire harness, which is black and plugs to switch under glove box. #3. Gray is Illumination, the black and green are radio speaker related and plug into a radio plug if 8 track is not used is my guess. #4. Not sure, could be a spark delay, it is Hot at On on the yellow. I don't have my 70 accy. Manual here, but another guess might be the 70 only style rear blower defroster. This a new harness? |
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#6
04-16-2021, 01:21 PM
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Thanks Bruce. It seems these connections may not need to be hooked up at all then? If so, that's easy.
I thought at least Connector #1 with the three wires had to be hooked up somewhere. Btw, harness is an M&H replacement I believe. |
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#7
04-16-2021, 02:13 PM
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Post #1 is for the rear window defogger.
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#8
04-16-2021, 02:23 PM
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Much appreciate your input. Any thoughts on others? I think Bruce got them ID'd.
Last edited by GREGGDOG; 04-16-2021 at 02:31 PM. |
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#9
04-16-2021, 03:12 PM
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Not really sure on some.
The pic in post #4 looks like it could be for the kick down switch. But color of one of the wires doesn't seem correct? Post #2 , where does the other end (wire) go to? Post #3. what are the colors? Black, red, green?
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#10
04-16-2021, 03:27 PM
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Think post #3 pic is for power door locks.
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#11
04-16-2021, 03:49 PM
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Yes, #3 Connector wires are green, red, and black - yep, probably power door locks (which I don't have)
#2 is part of the dash wiring and the connector sits at the top part of the glove box #4 is wrapped into, or part of the big purple neutral safety switch ? wiring I'm holding. (this is a 4spd car btw). Seems I just have lots of extra connectors for options I don't have then. |
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#12
04-16-2021, 05:43 PM
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Normally the unused connectors would be wrapped up in the harness. Since yours is a 4 speed, the kickdown would be wrapped up.
The Same for the PDL connector probably also? The glove box wire thingy looks like a ground for a light, maybe glovebox light? (my 70 Formula had the passenger side courtesy light taped up in the loom, it was an extra cost option I think?)
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#13
04-16-2021, 06:22 PM
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Since the power trunk is just a ground, the wiring to it is black.
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#14
04-16-2021, 06:50 PM
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Thanks, while I was in an uncomfortable position I thought I'd make the best of it and ask about 3 more unknown connections in the ebrake foot well area....
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#15
04-16-2021, 06:53 PM
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We'll call this unknown
Connector #1A.... Last edited by GREGGDOG; 04-16-2021 at 07:01 PM. |
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#16
04-16-2021, 06:57 PM
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Connector #2A
We'll call this Unknown Connectors #2A....(Orange connector)
and #3A Unknown Connector (Green and Black) |
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#17
04-16-2021, 07:00 PM
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The last Unknown #4A is an two prong plug male that looks like it needs a female...again in driver foot well by E-Brake, maybe kick-down or neutral safety?
Thank you. |
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#18
04-17-2021, 11:33 AM
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Quote:
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#19
04-17-2021, 11:38 AM
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Quote:
The other looks Radio related. Factory radios had a connector in the rear that had other connectors plug into . |
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#20
04-17-2021, 12:24 PM
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Thanks Bruce and John, all sorted now. Much appreciate your help. Guess the aftermarket radio wiring left many homeless connections.
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