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T87 Swaps
Great work guys. Glad we can finally get this ironed out, so I have someone to ask next time I forget where we left all these answers... :) If ya search VSS on here, or the EFI forum, you'll find where I hit on each of these ECM options over the years. Going back to first hooking up a VSS...- kidturbo
- Post #327
- Forum: Mike L's Trans Talk
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T87 Swaps
Is it just me or anyone else seeing a pattern here with GM replicating pulses?? They did it with the FICM, and they did it with VSS signals. Like the started with a manual transmission that didn't have a TCM, then when added the TCM, forgot the ECM needed to know the speed too. So, lets pass it...- kidturbo
- Post #321
- Forum: Mike L's Trans Talk
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T87 Swaps
Yet all of those ECM's have VSS High and Low do they not? Been a while, but I refuse to cheat myself by looking up the actual schematics... Yet I totally agree on the VSS Hi being the active input on all.. LOL- kidturbo
- Post #320
- Forum: Mike L's Trans Talk
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T87 Swaps
About to find out if I just smoked these two VR units your telling me... :cautious: I'm actually gonna try a LMM crank senor in place of the old transmission sensor on this 9v setup, as I bet it will track just fine with the low ref pin grounded.- kidturbo
- Post #318
- Forum: Mike L's Trans Talk
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T87 Swaps
That is exactly what I was thinkg a few days back when I posted about verifying the VSS pins on the 17+ gassers. They ran it to the ECM same as many older ECM's had.. IE the E35A/B, E38, LLY... And if the physical pins or CANbus is used, is a single bit in the bin file... Thanks so much. Answers...- kidturbo
- Post #317
- Forum: Mike L's Trans Talk
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T87 Swaps
Test 2, old style rear speed sensor to 16 Camaro T87, no pulses on output speed signal either. Voltages are the same, and I switched the polarity and reran the test. Same results... Also tested on the turbine input, same results.. However if touched the sensor to the spinning reluctor, it...- kidturbo
- Post #314
- Forum: Mike L's Trans Talk
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T87 Swaps
Ok, for test 1, old style rear speed sensor to Allison T87, I got no pulses registering on the Output speed signal pid. The voltage to Pin A is 9.5v, and Pin B shows 1.6v. Switching to Camaro OS to test again. Sent from my SM-S901U using Tapatalk- kidturbo
- Post #313
- Forum: Mike L's Trans Talk
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T87 Swaps
That is very interesting on the rear sensor. Either that thing is AC/DC compatible all the way from 2000, or GM is playing some games with the ADC chip on the TCM. I'm just about to fire things up here and settle it once and for all.. Wish I had the Snapon handy to scope it on 9V, but for now we...- kidturbo
- Post #312
- Forum: Mike L's Trans Talk
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T87 Swaps
Yeah that pin goes in a bit deeper to latch. But then I had to tel him, the seal crimps onto the terminal also... I just sent him like 3 types of terminals and seals in a bag. Some are the RT type like the A40/50 connector which seal is in the body, and some other weatherpak styles with seal on...- kidturbo
- Post #311
- Forum: Mike L's Trans Talk
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LLY Ficm
Thanks for all the help Brad. When the Florida boys who've helped me out on Project Voodoo over the past few years hit me up, I knew it was something serious. They know everyone in the industry, and attend all of the big meets. So if they couldn't find a solution, I quickly realized it's... -
LLY Ficm
Reusable scraps are always much appreciated. Since we're most likely gonna burn up or at least cannibalize a few of these prototype boards along the way. So no need to solder a pretty new header onto bench stock. Anything with LLY or LB7 cases, no matter how smoked up. That backplane with the... -
T87 Swaps
@pl_silverado did ya receive your new TCM yet? I'm gonna order a few T87 connectors this week, and would like to test some of these off the shelf VR to Hall converter designs in the real world. I'll make ya up a quick Adapter Cable this week, along with all the canbus hardware so it walks and...- kidturbo
- Post #304
- Forum: Mike L's Trans Talk
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T87 Swaps
Some update pics from 3D printing. Tried 3 different terminal designs, and I think we are going with RT150 seal on the wire for quickest solution. While I like the OEM style push thru rubber seal on the A50 connector, I can't source it in all of chena without the complete 80 pin connector. He...- kidturbo
- Post #303
- Forum: Mike L's Trans Talk
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2018 l5p high county U18A2 help
I'd love to check out your work @NC-smokinlmm to see what's hot for the big boats. I've been playing with SignalK a bit, attempting to live stream N2k engine and position telemetry for APBA / P1 offshore boats. But SignalK seems to lack on the development side, so I'm considering writing my own... -
T87 Swaps
Found matching casting numbers on these 2 VSS pickups I have. Since they both match, gonna say the one that took the driveshaft hit is likely bad. So it's getting the 9v test shot first. Anyone have a VSS from 16 or newer gasser laying around, compare these mold numbers please. Curious to see...- kidturbo
- Post #301
- Forum: Mike L's Trans Talk
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2018 l5p high county U18A2 help
Ethernet like CANbus, runs on twisted pairs, which by design, cancels out majority of electrical interference. Ethernet runs shielding, while canbus typically doesn't. But CANbus runs great on ethernet cable. Some like VW and MB have been running fiber for the audio hardware for years. My 05...