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You may also unplug the TCCM and faucet around the encoder module to find out if it could be stuck (a warm garage wouldn’t hurt both!) — go away the TCCM unplugged for at least 2 minutes, then plug it back in. Then, turn The real key on to off five periods, then to on and take a look at it.
Only one note… not all vacuum switches are located on the firewall. If it’s not there, Examine the top of the transfer situation!
Bob B suggests: April thirty, 2008 at eleven:33 pm Hello Kyle……..you've got a fantastic website and have study just about every item both you and your audience have issues with but my wifes truck has the Grand Daddy of problems and if you notify her to sell it she is going to realize. Right here goes….I had been permitted to push her around another working day when I heard what I thought was the blinker likely and tried using regularly to cancel the non blinking lites without results. Just after a few minutes the services four whl push lite arrived on, whenever we parked I questioned if this experienced occurred in advance of and she or he stated Certainly on a regular basis but it goes away when I park.
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There exists a schematic (on webpage one) in the front axle switch — it seems to get tied to floor through a “pull-down†resistor. When engaged, it ought to be pulled significant (+5VDC or +12VDC, I don’t know what it’s making use of for your swap).
Like I reported, I'll try to make sure to get some additional pictures — hopefully this can help you obtain your module however! Regards;
Weak connections anywhere along the route will lead to complications — most moments intermittently, which happen to be an actual PITA to search out. (See my above posts for resolving this issue.) The TCCM could possibly be poor likewise.
two) the vacuum swap also communicates with the TCCM — no vacuum and your lights will probably flash continuously even though seeking to have interaction 4wd, but gained’t interact till all 4wd components, once again, communicate with one another.
Just after cleaning up the corrosion on all remaining wires, and cleansing out the leading connector, I stripped and attached new clips to The 2 damaged wires and stuck them in the most crucial connector. OK, now I just will need to ensure they don’t get pushed out if the link is designed… how?
The first thing I might Verify is the 4Hi gentle — (keep it uncomplicated) — does the 4Hi gentle at any time arrive on?
As I am not a mechanic, anything that I learn about the Blazer 4WD technique has, pretty much, been posted right here — you simply have to study.
I've a 2003 chevy blazer and have no drive on the front axle. After i force the buttons the tccm clicks, the buttons mild and stay lit you could listed here the motor on transfer circumstance operate (for a short time) and no energy to front axle.
In order to Check out a handful of points and acquire back again to me with wheel alignment near 19114 a few far more info/thoughts, I’d be delighted to try to assistance you through your trouble.