I have about a dozen of them. Whenever I see one in the junkyard, I compulsively grab it. :lol: Why do you need one? Did your old one break, are you changing tire sizes or gears?
---------- Post added at 01:17 PM ---------- Previous post was at 12:57 PM ----------
Here's a page that might help you find one locally in a junkyard:
GM DRAC/VSSB Calibration
The DRAC units are the same from the 80s on up to around 91 in Suburbans and up to 88 in pickups. It'll have one bank of wire jumpers at the bottom of the board. If it has 2 banks of jumpers, it's the one for the 4L60E and I can't confirm whether it'll work or not. I'm assuming you found the one in your Suburban. If not, pull the trim panel below the steering column, and reach to the right, it's clipped to the inside of the dash and takes 10 seconds to remove. That's also where they are in most pickups, though they're occasionally crammed between the glovebox and a/c box on the passenger side.
There should be a 3-letter code on the label on the top of the DRAC module, what's that code? I'll check to see if I have one. If I don't, using your original for reference, you just adjust the jumpers on the new one to match your old one and It'll reflect the right number of pulses. If you're interested in one of mine, we can figure out a price and shipping via PM.
I looked at all the modules I have, and no AGG. Luckily, that code only reflects what ratio it creates, which is changeable through some wire jumpers on the board. If you take a pic of the jummpers at the edge of the board opposite the big connectors, I can duplicate the jumper configuration and it will be the same ratio.
I think $60 modded and shipped is fair. It's small and light, so it should go through the smallest USPS flat rate box with no problem.
You can post the picture in this thread, but everything else, PM me.
Easy2workon, I still have several modules. However, they are all for older model trucks and I'm not certain they will work for you. Is the driveline you put in the truck from an older model that used the DRAC module? As far as I know, their use was discontinued somewhere around 1995. Additionally, the 4L80E should have gotten its inputs from the PCM and not the DRAC. If you're certain you need one though, I'll be glad to sell you one. :great: Let me know.