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11-06-2015, 12:05 AM
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#1 |
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Registered User
 
Join Date: Dec 2014
Location: Plainfield il.
Posts: 643
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Pcm location?
Looking for some ideas on where to mount my pcm. I have about 3ft of reach from the back of my heads. I definitely want it mounted inside the cab. I know it's a matter of preference but wondering where some of you guys mounted yours. Thanks.
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11-06-2015, 01:10 PM
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#2 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: Pcm location?
I put mine in the glove box.
I cut the glove box so the 2 ECU connectors would just slip inside and hook up.  
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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11-06-2015, 02:17 PM
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#3 | |
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Registered User
Join Date: Dec 2014
Location: Plainfield il.
Posts: 643
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Re: Pcm location?
Quote:
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11-07-2015, 02:15 AM
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#4 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Pcm location?
I started with mine on the DS inner fender. It was easy access, 5 second quick release, and used the cooling louvres in the core support to help with heat.
 Then I pulled my inner fenders, and relocated the ECM and TAC up onto the firewall on the inside of the cab. I build a knee-pad panel that mounts under the dash and creates a more sectioned off area under the dash and behind my shifter base. The ECM sits below the glovebox and above the passenger footwell. The TAC mounts right ahead of my shifter console. You can just see the TAC in the upper right of the picture, and with the panels in place and carpet up, you can't see any of the wiring or it. 
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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11-07-2015, 02:52 AM
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#5 |
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Post Whore
 
Join Date: May 2015
Location: Alabama
Posts: 14,670
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Re: Pcm location?
Mines behind the glove box..I know you only have 3ft to play with but I wish many times over I had my harness made long enough to mount it under or behind the seat...that's how I will do my next one.
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11-07-2015, 09:33 AM
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#6 |
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Registered User
Join Date: Apr 2010
Location: Guntersville Alabama
Posts: 1,073
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Re: Pcm location?
I put mine behind the glove box also on my 82 . Worked out good for me . Just had the modify the harness length . Heres a picture where I went thru the fire wall . Its the big bulk just behind the red trans stick . I used the factory hole . Sure did clean up the engine bay .
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11-11-2015, 02:52 AM
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#7 |
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Registered User
Join Date: Sep 2005
Location: So. Cal
Posts: 321
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Re: Pcm location?
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11-11-2015, 11:41 PM
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#8 |
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Registered User
Join Date: Nov 2013
Location: Rocklin, CA
Posts: 204
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Re: Pcm location?
Man that is a great idea! Thanks for the picture, truck looks clean!
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11-23-2015, 09:49 PM
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#9 |
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Registered User
Join Date: Dec 2014
Location: Plainfield il.
Posts: 643
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Re: Pcm location?
I ended up putting it in the glove box. Figured it was easily accessible and out of the way at the same time. I also put the obd 2 port in there too.
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11-24-2015, 02:16 AM
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#10 |
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Registered User
Join Date: Aug 2014
Location: Austin, TX.
Posts: 138
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Re: Pcm location?
Mine is behind the dash. I wanted the glovebox space for an AC kit later down the road.
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