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Old February 22nd, 2009, 02:09 PM   #1 (permalink)
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anyone have a wiring diagram for a 71 442?

I was going to get a manual but figured I'd see what happened here first.
Thanks for any help,
Dave
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Old February 23rd, 2009, 05:03 AM   #2 (permalink)
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Here is one for a '72. They will be very similar, if not alike.
Hope this helps until you find a service manual...
If you cannot read this one (CO shrunk it down) shoot me an email address and I can send the full sized one.
Attached Images
File Type: jpg 72 wiring IMG_0632.jpg (108.2 KB, 637 views)
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1972 Cutlass Supreme Convertible- (442 clone) -"Lady" (My mistress...)
http://www.flickr.com/photos/robsalbum/sets/
Lady's interior makeover Rally Pac stuff
Front end job Underhood resto
1986 Cutlass Supreme Coupe - "Pristine"
1978 Ford Pinto (Old Faithful) a.k.a. "the Tramp" - in the family since new.
1997 Cadillac STS
1999 Harley-Davidson Sportster - "the Freedom Machine"

Last edited by Lady72nRob71; February 23rd, 2009 at 05:08 AM.
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Old February 23rd, 2009, 06:21 AM   #3 (permalink)
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Quote:
Originally Posted by Lady72nRob71 View Post
Here is one for a '72. They will be very similar, if not alike.
Hope this helps until you find a service manual...
If you cannot read this one (CO shrunk it down) shoot me an email address and I can send the full sized one.
That's a Cutlass diagram, isn't it? The 442 wiring diagram is a black & white one later in the CSM. The big difference is that the 442 would have had an internal regulator alternator for 1971.
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Old February 23rd, 2009, 09:37 AM   #4 (permalink)
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Quote:
Originally Posted by joe_padavano View Post
That's a Cutlass diagram, isn't it? The 442 wiring diagram is a black & white one later in the CSM. The big difference is that the 442 would have had an internal regulator alternator for 1971.
This is a '72, Cutlass, 442, and F85 diagram (A-body). There is no B&W one later in the '72 manual. For '72, the only internal regs I saw was for the Toro.

So watch for these differences between the 71 and 72 diagrams.
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1972 Cutlass Supreme Convertible- (442 clone) -"Lady" (My mistress...)
http://www.flickr.com/photos/robsalbum/sets/
Lady's interior makeover Rally Pac stuff
Front end job Underhood resto
1986 Cutlass Supreme Coupe - "Pristine"
1978 Ford Pinto (Old Faithful) a.k.a. "the Tramp" - in the family since new.
1997 Cadillac STS
1999 Harley-Davidson Sportster - "the Freedom Machine"
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Old February 23rd, 2009, 10:20 AM   #5 (permalink)
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My fuse box was bad

My fuse box was deteriorated so I ended up with a 72 standard harness and there were several changes from my 71 with guages wiring.The guage plug in plastic pieces were wired different and I had to rewire a few things to still be able to use my outside harness. It took a little time but I got it done. I still need to know where to plug in a few things.
Thanks for the schematic,
Dave
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Old February 23rd, 2009, 10:37 AM   #6 (permalink)
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Quote:
Originally Posted by MN71W30 View Post
My fuse box was deteriorated so I ended up with a 72 standard harness and there were several changes from my 71 with guages wiring.The guage plug in plastic pieces were wired different and I had to rewire a few things to still be able to use my outside harness. It took a little time but I got it done. I still need to know where to plug in a few things.
Thanks for the schematic,
Dave
Even in 72, there were differences between the gauges and idiot light wiring. The two are shown on the right edge of the schematic for 72.
-Rob
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1972 Cutlass Supreme Convertible- (442 clone) -"Lady" (My mistress...)
http://www.flickr.com/photos/robsalbum/sets/
Lady's interior makeover Rally Pac stuff
Front end job Underhood resto
1986 Cutlass Supreme Coupe - "Pristine"
1978 Ford Pinto (Old Faithful) a.k.a. "the Tramp" - in the family since new.
1997 Cadillac STS
1999 Harley-Davidson Sportster - "the Freedom Machine"
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Old January 15th, 2010, 09:50 AM   #7 (permalink)
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Quote:
Originally Posted by Lady72nRob71 View Post
Here is one for a '72. They will be very similar, if not alike.
Hope this helps until you find a service manual...
If you cannot read this one (CO shrunk it down) shoot me an email address and I can send the full sized one.
Do you still have a blowup of that wiring diagram and will it work with a 72 Toronado? Thanks.
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Old January 15th, 2010, 10:09 AM   #8 (permalink)
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Do you still have a blowup of that wiring diagram and will it work with a 72 Toronado? Thanks.
I have a blowup of the Toro diadram at the house - PM me your emaill address and I will send it to ya!
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1972 Cutlass Supreme Convertible- (442 clone) -"Lady" (My mistress...)
http://www.flickr.com/photos/robsalbum/sets/
Lady's interior makeover Rally Pac stuff
Front end job Underhood resto
1986 Cutlass Supreme Coupe - "Pristine"
1978 Ford Pinto (Old Faithful) a.k.a. "the Tramp" - in the family since new.
1997 Cadillac STS
1999 Harley-Davidson Sportster - "the Freedom Machine"
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Old January 15th, 2010, 10:13 AM   #9 (permalink)
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PM'd you.

Great car I just got but it's a wiring nightmare. :P
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New stuff for the Toro: Heater core, some wiring, K&N filter, Carbon filter, AC Comp belt, water temp gauge, bulbs, some wiring, more to come.
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Old February 12th, 2010, 12:45 PM   #10 (permalink)
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I went to AutoZone.com and made an account there to access their guides. I found a couple diagrams for my 71 Cutlass that came in pretty handy. You could give that a try if you want
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Old February 12th, 2010, 01:36 PM   #11 (permalink)
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Your question is basically the same as the one in this link: http://classicoldsmobile.com/forums/...-diagrams.html

Here's the diagram posted there: Click the image to open in full size.

If you copy it into "my pictures" on your PC you can resize it or print it
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Old February 18th, 2010, 02:12 AM   #12 (permalink)
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PM'd you.

Great car I just got but it's a wiring nightmare. :P
If worse comes to worst.

There's always an American Autowire kits you can buy and replace it with.
VERY VERY simple to install even for a beginner.

http://www.americanautowire.com/factoryfit.html
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Old May 4th, 2010, 08:05 AM   #13 (permalink)
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Thanks Rob for the diagram copy. It was a lot of help. So I thought I would share my solution. Fuel guage quit working. I thought there was a short causing it to read FULL all the time. Instead, the circuit was not finding a ground. It needs a ground to return the guage to the "E". The sending unit seaks ground through the resister built into sending unit. Pulled the unit, chk'd w/meter-OK. Cleaned the contact rail w/ carb cleaner & a wire brush, removed varnish- Now it works fine. Destroyed the fuel "strainer" but still available through OER. 3/8". Part# K405. Pull strainer off of P/U pipe. Bottom of unit & wrap shield come right off. Thanks Again!!!!
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Old May 4th, 2010, 09:26 AM   #14 (permalink)
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Thanks Rob for the diagram copy. It was a lot of help. Thanks Again!!!!
No problem - glad you got it fixed!
Welcome to the site, too - introduce yourself and your car(s) when you get a chance!
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1972 Cutlass Supreme Convertible- (442 clone) -"Lady" (My mistress...)
http://www.flickr.com/photos/robsalbum/sets/
Lady's interior makeover Rally Pac stuff
Front end job Underhood resto
1986 Cutlass Supreme Coupe - "Pristine"
1978 Ford Pinto (Old Faithful) a.k.a. "the Tramp" - in the family since new.
1997 Cadillac STS
1999 Harley-Davidson Sportster - "the Freedom Machine"
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Old May 5th, 2010, 09:50 AM   #15 (permalink)
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My fuel gauge is going haywire again. Think my wire patch was too weak.
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1972 Olds Toronado Custom - 455 Rocket
2001 Buick LeSabre Limited
New stuff for the Toro: Heater core, some wiring, K&N filter, Carbon filter, AC Comp belt, water temp gauge, bulbs, some wiring, more to come.
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Old November 19th, 2010, 04:57 PM   #16 (permalink)
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I am getting to rewire my 72 cutlass, could you email me a larger pic of the diagram? My email is irdbosn@swbelll.net
Thanks,
Vincenet
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Old November 19th, 2010, 04:57 PM
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