Question about 1970 Oldsmobile 442

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Wiring problem 1969 olds 442

Is there some where on line i can look at a wiring diagagram so i know where each wire goes

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Hey there Hurst,
Here's a site that has a specific manual for Your year the other option is search about a bit at swap meets and such and find a "shop manual" as they are a wealth of info(they where used at dealers in their day).You can sometimes find these manuals in Your local library as well so it may be worth a look see there.Best of luck and happy Oldsmobiling:>:>:>

Posted on May 05, 2009

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Olds 442 and W-Machine Restoration Guide." This restoration guide covers all 1964-1972 442 models, including the W-30, W-31, and W-32 models, Hurst/Olds, Pace Cars, Rallye 350, and more. 192 pages and over 1000 illustrations. By T. Patrick Sullivan.

MB227 $41.95 www.yearone .com

Posted on Nov 13, 2008


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1969 Oldsmobile 442 Cluster Diagram

We do not have these diagrams. You may be able to download them here

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How To remove a complete dash on a 1969 olds 442

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Do you know the wiring diagram for the dash cluster on the olds 442 1970... which includes oil pressure, temperature, gas gauge, brake, and generator light. Do you know the color code/order? I need to know...

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1969 Oldsmobile Vista Cruiser climate control

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1 Answer

1986 olds 307 timing

Hi Too Fast 442!

The factory manual states:

1.on the 5.0L VIN (_F_) put EST into by-pass mode by unplugging "set timing" timing connector. Connector is a Tan/Black wire in the harness near the distributer. Set timing and reconnect "set timing" connector.

2. on the 5.0L VIN (_G&H_)
Unplug 4-wire connector at distributor. Set timing and plug in 4-wire connector.

3. on the 5.0L VIN (_Y_) the tune-up decal states to ground C-3*** diagnostic lead. Set timing then remove ground from C-3 diagnostic lead.

*** The location of the C-3 diagnostic lead seems to be a mystery, but I've been told that jumpering the A & B pins on the OBD connector (under dash) will accomplish the same purpose.

Disconnecting the ECM (4-wire connection at distributor) is generally a universal given for that era 307.

I used to have a shop where trick Olds motors were one of my specialties, and I love 'em. I built high performance 350s, 403s, 425s and 455s. An interesting fact is that ALL Olds V-8s share the same engine mounts, and big block motors are only 1/2 inch wider than small blocks... That means that you can fit any Olds motor where your 307 now resides.

I have tuned and rebuilt carbs on several 442 307s, and if attention to detail is observed, they run great!

Hope this is illuminating, good luck, and let us know if you have other questions or comments.


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