Electric fan clutch pinout

Mogman

Member
May 3, 2020
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Papalote, TX
I am thinking of converting my LMM re-power to an electric clutch, of coarse the docs. I have do not include the electric clutch.
Can someone provide me with the pinout/wire colors for this clutch?
 

Mogman

Member
May 3, 2020
341
17
18
Papalote, TX
LMM's do not have electric fan clutches.
DUH, that is WHY I posted this in the LML forum, I want to install an electric clutch on my LMM and control it outside of the ECM environment, the reason I need the information is because it is not in the 2008 LMM documentation I am subscribed to.
 

JoshH

Daggum farm truck
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Feb 14, 2007
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Texas!!!
There is no pinout for an electric clutch on an LMM, and an LML pinout will not help you any.
 

2004LB7

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Dec 15, 2010
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Guy's, He's looking for the clutch pin out. Not the ecm pin out. He said he wants to control it outside of the ecm.

OP, it might help if you let us know what clutch you are using. Is it a stock LML or other?
 

2004LB7

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Dec 15, 2010
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I found this on another site

"its a 5 wire pigtail but 3 wires are for the ECM to see the speed the fan is going, which we just want it on or Off, if you wire black wire to ground(this is at the 5 pin connector for the fan clutch, and the WHITE wire will be the wire you apply 12v to"
 

artuza

New member
Nov 27, 2015
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Based on the AC Delco 20788261...
A - Green - Fan PWM Ground
B - Red - Fan Hot
C - Black - Low Reference
D - White - Signal (hall effect sensor)
E - Orange - +5V Reference