How to inform Should the TCCM is poor? Effectively, that’s just a little much too included for me to depth here (fundamentally, it entails systematic tests of the different wires). If you're able to read through a schematic, You then’ll know what to do with it — all schematics which you’ll want are in article one of this thread.
Sure, the site remains Energetic — basically, I am able to’t believe how Lively (for my little site site) it's been in the previous few months — and all concerning the Blazer!
One other wire I might Verify could well be the A/T (Automatic Transmission) shift lock switch — this is wire #31 and it is mild inexperienced with a black stripe (you will find additional webpages of the schematics over… the primary is often a hand -composed web site of your TCCM connector pinout). This wire must have voltage applied to it at sure times — unfortunately, I have not needed to diagnose that part of the technique, so I don’t know if it should be +5VDC or +12VDC (but It will probably be one of these!
As for shifting outside of 4Lo — there’s just one far more matter — you will need to be heading below 2 MPH (3.two KPH), which has a “rolling interact” remaining most popular (ie. don’t make this happen when stopped). It is a prevalent slip-up built when folks have a “shift on-the-fly” type process.
PS – the flashing change lights suggest the program is attempting to communicate with the remainder of the technique. When it stops, this means it couldn't talk to part of the program.
GM includes a structure flaw With this specific transfer circumstance — the “forks” had plastic bushing that could don out and allow the gears on the TC float, and will not likely pull the gears into their appropriate positions.
I'm sure I’ve possibly just rambled on and informed you absolutely nothing — nicely, which was simply just my considered process when wanting to find a dilemma. I am able to only hope it aided. Allow me to understand how you make out. If I consider anything else, I'll update this submit.
No, I don’t have nearly anything AFAIK — but I do Use a buddy which includes the All-Knowledge procedure and may have it (he printed out some wonderful schematics for my TCCM yesterday) — I’ll question him currently and if so I'll Click HERE For More Info post it in this article in your case.
As for real estate and renovations — perfectly, I’m also pretty well versed in both subjects! I prefer to acquire old houses and rebuild them from the bottom up.
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Or, as a last resort, remember to Be happy to Speak to me by means of the Get hold of form, leave your electronic mail handle stating you’d wish to deliver me some photos and I'll respond with an address it is possible to ship them to.
As I said to a poster above (two up from this one particular), it Seems to me like it might be a button assembly, wire between the button assembly and TCCM or possibly a TCCM dilemma.
one) Allow’s start out with the straightforward items — have you checked your fuses? Don’t believe that Because the fuses are labeled 4WD that they're the sole ones for your personal 4WD program! Fuse ten (on my 2003 Blazer) is for the courtesy lights — but guess what? What's more, it controls the logic aspect of your TCCM (+5VDC). Pin six (thinner orange wire) need to create +5VDC and may be Incredibly hot AT ALL TIMES (meaning you have to be in a position to examine +5VDC on the line whenever, crucial on or off). The two significant orange wires are your +12VDC lines and they are managed within the 10A fuse located in place #fifteen.
Roll the vehicle. Thrust the car forward no less than 10 feet Using the steering wheel unlocked to make certain the wheels are straight.