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How-To Radiator FAn Cooling Fan PCM

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#1 RedHot85Vette

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Posted 23 April 2018 - 05:50 AM

Good Day! I hope you're enjoying a pleasant one. It's been a while since I've visited this site. I have a '90 Lumina Coupe, and a 91 Sunbird Convertible, both with the 3.1 V6 (both now on the project pending list). I thought I saw a couple of articles here, from long ago, that might come in handy now. One was a wiring diagram to install an under dash switch to bypass the computer for turning on the cooling fan manually. Another article gave instructions for resetting the computer after disconnecting the battery. I looked in the FAQ section but had no luck. Are they here somewhere, moved, hidden? Does anybody know what I'm talking about and can maybe point me in the right direction?

 

Respectfully,

 

John V. Brennan



#2 Imp558

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Posted 23 April 2018 - 03:54 PM

I can post a simple drawing to enable the fan tonight without throwing codes. As for resetting the PCM, your cars are early passkey if any at all. Leaving the PCM unplugged for 10 minutes will clear any codes.

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1996 Buick Regal L67/4T65E-HD swapped - 1995 Buick Regal GS - 1980 Dodge Sno-Commander - 1968 Empi Imp on '67 Pan - 2001 Chevrolet Express 3500

 

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#3 Imp558

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Posted 24 April 2018 - 12:33 AM

Attached File  20180423_203054.jpg   59.81KB   1 downloads

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"If everything seems under control, you're not going fast enough"  - Mario Andretti

 

1996 Buick Regal L67/4T65E-HD swapped - 1995 Buick Regal GS - 1980 Dodge Sno-Commander - 1968 Empi Imp on '67 Pan - 2001 Chevrolet Express 3500

 

Her Stuff: 1996 SSEi - 2001 Monte Carlo SS


#4 mfewtrail

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Posted 24 April 2018 - 06:57 AM

The old articles can be found here: http://w-body.com/oldsite/


  • rich_e777 and 89-W-Body-Regal like this

93 SE, '90 Black/tan TGP, & '90 Red/tan TGP






Also tagged with one or more of these keywords: How-To, Radiator FAn, Cooling Fan, PCM

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