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2002 Chevrolet Avalanche, TCCM


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lynnboy021 
Copper - Posts: 65
Copper spacespace
Joined: March 17, 2010
Location: Massachusetts, United States
Posted: June 16, 2021 at 4:02 PM / IP Logged Link to Post Post Reply Quote lynnboy021
i have a 2002 chevy avalanche north face and my 4x4 does not work.. i think i found the problem but the part does not have a number that i can look up.. i have added some pics that hopefully it can help... i need the black part with the 3 legs.if more pics are needed i can add thanks.. 2002 Chevrolet Avalanche, TCCM -- posted image. 2002 Chevrolet Avalanche, TCCM -- posted image. 2002 Chevrolet Avalanche, TCCM -- posted image.
i am an idiot 
Platinum - Posts: 13,369
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: June 16, 2021 at 9:15 PM / IP Logged Link to Post Post Reply Quote i am an idiot
There is a number on both transistors. Take a more in focus picture of the one in the right of the last picture. If you have a tube of heat sink compound, put a drop on your finger and rub it on the transistor on the left side of the picture. Rub most of it off and you will be able to see the number on it.
lynnboy021 
Copper - Posts: 65
Copper spacespace
Joined: March 17, 2010
Location: Massachusetts, United States
Posted: June 16, 2021 at 11:31 PM / IP Logged Link to Post Post Reply Quote lynnboy021
I did that and google came up with nothing... I even brought the part to a electronics store and he said that he is sure he has the part but the numbers dont come up with anything.. he also said that it could maybe a in house part that Chevy made or something 🤷‍♂️..

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