One other wire I might Test might be the A/T (Automated Transmission) change lock change — This is often wire #31 and is particularly gentle inexperienced having a black stripe (you will find extra web pages in the schematics previously mentioned… the 1st is actually a hand -composed site on the TCCM connector pinout). This wire ought to have voltage placed on it at certain situations — sad to say, I haven't had to diagnose that A part of the program, so I don’t know if it should be +5VDC or +12VDC (but It's going to be one of them!
Tips? It’s been another thing soon after An additional now for 5 many years….Im so near to returning it to chevy…. right thru the entrance window
DVD Volume one This video is available on DVD Wheel truing is a fragile method that needs time and tolerance. With this tutorial I'll attempt to reveal the various facets as Evidently as you can. Preferably you will need to possess a wheel truing stand, excellent lights and a comfortable workspace.
denes states: June eight, 2008 at 4:28 pm The encoder motors normally fall short over the 2002+ autrotrac (four 4wb buttons) blazers and s10 p/u’s. A printed circuit board contact “cooks out†In the encoder motor confimation switches. Just so you recognize, the A,B, and C switches explain to the TCCM what standard shift postion they’re in. the P switch can be a singal into the TCCM when to halt the motor (final park postion). I'm rather positive A is 2wd, B is 4wd hi, and C is 4wd low. Should you’re a little intelligent w/ electronics, You may as well deal with the TCCM troubles w/ new relays.
I cannot give any even further recommend besides what I have presently posted below. I removed my Blazer in 2007.
The next Inspection is inside the motor bay substantial up on the center in the firewall. Inspect for vacuum within the swap then be certain the hose is’nt destroyed creating leaking (Mine was damaged off) Excessive warmth with the motor compartment will damage vacuum hoses and too much curves or bending will lead to problems with hose decay and failure.
so now I've a fresh transfer situation and as well as a brand new encoder motor that i cant put on since it will not come out of nuetral around the trasfer situation Until i change it manually. and since I've to leave the encoder off the entrance axle wont engage because its not receiving the rigth information.
I will go out and just take pics right before I go away for operate this early morning or I'll overlook all over again. I will attempt to get a superior shot in the connector that can assist you Find the place the Get More Information wires go. No becoming intelligent right here, but you *should really* have the capacity to see where by they go… for the reason that there'll certainly be a gap wherever the wire must go.
com or maybe acdelco.com . No person is listing a module regarding 4 wheel push or transfer case. If any person can assist with a supplier of this element, be sure to e mail me at [email protected] . Thankyou, Dale
i tried to interact 4wd hi by pressing the button, but very little transpired. i put it in neutral, pressed 4hi, and the lights blinked but switched back to 2hi. i pressed the button for 4low, and it switched and I had been ready to get up the hill. any Strategies?
What I’d do is go out and start testing the TCCM and connections (Should you have that capability). I endure a large amount of it in this put up.
It does seem like points are doing their position — I really don’t like saying such things as this as I'm not a mechanic, so I might be Mistaken (hopefully), nevertheless it appears like a transfer scenario challenge to me.
My two wheel generate would engage but not my four. I read about the tccm and the vaccum switch also to my specific amazement the vaccum line experienced damaged off the change. I set this issue and now my 4 wheel push is Functioning all over again. The info you posted saved me a visit to some seller!!!
The sole challenge you'll have is because you have two wires disconnected, you must know which just one goes to which gap (terminal). When you explain to me the colors, I am able to try and Identify them for yourself (be distinct with wire hues — ie. white with gentle environmentally friendly stripe, pink with dark blue stripe, and so forth.).