still no 4wd!

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clownracer

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sunlit can i get a pinout of my convenience center? also can you try to post up some BIG pictures? its hard to read wire color etc on those pics u posted

thanks again!!!
 

SunlitComet

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Clown here comes a mother load of diagrams. read carefully. sorry about the inverted coloring it happens when i print alldata to pdf. and not to printer.
 
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clownracer

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sun i figured it out it was....drum roll.....the transfer case switch....after sorting through all those diagrams i realized i had been checking the wrong switch! lol

just wanted to thank you again for taking the time out of your day to help me out
 
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clownracer

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and of course the stupid dorman switch i bought was doa.....

is dorman not a good brand? coming from a vw backround it is tough to understand the american market....in vw if its good its bosch....with gmc there is ac delco, duralast, valuecraft, dorman etc etc etc

fwiw if i jump the connector i can get 4wd.....i tested the switch ball out was opn opn opn ball in was closed opn closed
 

SunlitComet

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delco or delphi only for stock parts. dorman is a cheap aftermarket for the cheap masses. power lock actuator from broke with in 4 months. that is what i thought mine was. but i learned the device in the tcase that pushes that ball may be at fault. then again that wa a dorman replacement to. i better try a delco unit before i replacement tcase with a rebuilt one. maybe i might get lucky. but will replace the sector cam spring and ball below it too. that was on my last minute ditch to try anyway before chucking the whole unit for a new one thinking it might solve the problem of the front actuator powering up only while shifting but not when 4wd shift was complete. it would just go dead again.
 
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clownracer

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new switch is working.....still no 4wd im going to try adjusting the 4wd shifter linkage to see if that works....ughhhh nothing has been simple with this yukon
 
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clownracer

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fixed it!!!! i had to adjust the linkage almost 1/2" but now i have 2wd/4hi and i can get it into 4lo but it dosent click in so i have some more playing around to do
 

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