Well finally got the tune figured out and everything is working well. I hadn't really driven it until tonight after a tune session and noticed the speedo doesn't work!? It reads on my computer while scanning but not on the gauge, any suggestions of where to start? Thanks....
84 K3500 Suburban, 05' 6.0L, forged, balanced, studded, boosted, 4L80E, NP205, D60/FF-14B, 37x12.50's.
98 K2500 Suburban, currently undergoing 6.0L conversion
depends how u hooked it up. are you using the new pcm to control it or did you leave the speedo hooked up the way it was? im guessing your using the new pcm. in that case its probably a matter of it being in the tune or something to do with your vss signal.. im leaning towards vss wiring because if it was a tune issue, either its not calibrated at all (unlikely) or there is a wiring problem...
this is just guessing since i dont know exactly what you did. post a little more info
Like Tumbler in "Gone in 60" I'll drive anything with wheels or without
My 95 ECSB LQ9 build thread - http://www.ls1truck.com/forums/lsx-t...to-95-obs.html
CALI LEGAL ENGINE SWAP!
Stock 03 LQ9, DBW, 95' 4l80e w/ Transgo shift kit, 2010 50# GM injectors, 2800 Circle D stall, Spectre CAI, Upgraded trans cooler, Home-made E-fans/shroud, Dual EP-381 fuel pumps w/Home-made hotwire kit
NEXT ON LIST: Dual Battery setup, CAM/Valvetrain upgrade, Build my own rear mount turbo, TRU-TRAC, HIT THE STRIP!!!
I corrected the tire size/gear ratio in my tune, but still no speedo. Also, after I reprogrammed, the tach doesn't register at all now. Any thoughts? I'm running the LS PCM only....
84 K3500 Suburban, 05' 6.0L, forged, balanced, studded, boosted, 4L80E, NP205, D60/FF-14B, 37x12.50's.
98 K2500 Suburban, currently undergoing 6.0L conversion
On your stock harness at the PCM connectors---The wires at C4-3 and C4-4 need to be connected together and installed to the 0411 PCM C2-50.
Jeff
98 GMC RCSB 2wd, 100% internally stock 305, w/twin T-3 junkyard turbos,Ramjet intake w/42lb inj,12200411 PCM. 4675lbs w/me in it. Best time in 5 passes 13.01@110
Just checked that connection - it was loose for some reason ??? - re-connected it and now she works. But, now it's throwing a p0706, transmission selector switch. Go figure, fix one, gain another! Any ideas on this?
84 K3500 Suburban, 05' 6.0L, forged, balanced, studded, boosted, 4L80E, NP205, D60/FF-14B, 37x12.50's.
98 K2500 Suburban, currently undergoing 6.0L conversion
How did you make out with this project?
Well - been driving my conversion for almost a year now, put about 13k on it. I couldn't be happier with the results - power is great and mileage is awesome, 12 around town and 18 on the freeway!
84 K3500 Suburban, 05' 6.0L, forged, balanced, studded, boosted, 4L80E, NP205, D60/FF-14B, 37x12.50's.
98 K2500 Suburban, currently undergoing 6.0L conversion
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