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Old 07-31-2021, 03:35 PM
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lust4speed lust4speed is offline
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Default 1963 Bonneville AC relay wiring

Have a friend restoring a '63 Bonneville and he's working on the air conditioning. The terminal holding the wires going on the AC relay is gone with the three wires hanging loose, and he is wondering what wires go to each blade on the relay. For the normal restoration he picked up a book from Faxon but it doesn't cover AC. I've got AC books for my '65 but worried that would be apples to oranges; plus my schematic doesn't show how the wires are positioned in the terminal.

He was talking master relay wires but don't know if his blower relay was in need of deciphering also. A photo of the wires at the relay would be great but even a verbal description of the locations would be very helpful.

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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress.
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Old 08-01-2021, 08:27 PM
gtoguys gtoguys is offline
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I have a 63 GP that I have working on the AC. This schematic comes from the 63 pontiac AC shop manual. I hope this works. If needed I can take a picture of my relay.
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Old 08-02-2021, 03:28 AM
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lust4speed lust4speed is offline
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Thank you - and a photo would be great. I'll pass this schematic on to him on Monday but I'd bet he would like to see how everything installs since he purchased the car with the wiring apart and has never seen things together.

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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress.
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Old 08-09-2021, 04:41 PM
gtoguys gtoguys is offline
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As soon as I get time, I will take a picture of the wiring. Since my GP sits outside under a tarp this time of year, I need for the rain to stop long enough to get that picture.

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Old 08-09-2021, 10:32 PM
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Quote:
Originally Posted by lust4speed View Post
Thank you - and a photo would be great. I'll pass this schematic on to him on Monday but I'd bet he would like to see how everything installs since he purchased the car with the wiring apart and has never seen things together.
I just spent a few months working on a 62 Catalina with AC ...it had a bad NOS AC relay...used a 63 relay to replace it. The 63 AC shop manual has great info and pictures. I wouldn't want to work on a 63 without one....

Sent from my SM-G970U using Tapatalk

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1963 Bonneville SW 421HO
1967 Bonneville SW 400
1969 GP 428 4spd
1970 GTO 400 4spd
1970 Bonneville SW 455
1971 GP 400 4spd
1971 Grandville Conv 455
1972 Catalina Conv 455
1972 Grandville Conv 455
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Old 08-14-2021, 10:03 PM
gtoguys gtoguys is offline
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Sorry about the long wait. Hopefully the pictures will help.

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Old 08-14-2021, 10:04 PM
gtoguys gtoguys is offline
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Second try on the pictures.
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Old 08-14-2021, 10:07 PM
gtoguys gtoguys is offline
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A little different angle on the second picture.

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Old 08-14-2021, 10:08 PM
gtoguys gtoguys is offline
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Sometimes it's frustrating to get pictures uploaded.
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Old 08-14-2021, 10:10 PM
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The wiring may be ugly, but it works.

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Old 08-15-2021, 02:33 AM
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Thank you. I'll forward the photos on to my friend.

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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress.
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