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93 K1500 Intermittent Instrument Cluster Lights and Tail Lights

Hello All, I'm hoping you guys can point me in the right direction on what to probe to find out what's causing my intermittent electrical issue. Electrical is not my strong suit. I have a 93 K1500 ECSB, pulled out the factory instrument cluster and put in the Dakota Digital VHX cluster. It's...
- FourEightZero
- Thread
- Nov 19, 2023
- Replies: 0
- Forum: Audio + Electronics
NP241 opened up.. few questions..

Ok, I have this thing mostly disassembled, pretty sure I have found all the broken stuff. Gonna need new fork pads (the pads on the small fork were almost non-existent). 4WD Actuator Switch has a bent pin smashed down flat in the connector. Oil pump is destroyed. (The debris I found on the...
- FourEightZero
- Thread
- Aug 14, 2023
- Replies: 4
- Forum: Transfer Cases
Early shifting into OD. Strange readings on TunerPro RT

93 K1500 5.7L - 4L60E Getting early shifting into OD while driving only ~25MPH in my neighborhood. Engine lugs and wont downshift until I almost come to a complete stop. Tranny shop that rebuilt it said it is fine and they cant figure out what's wrong. Started firing the parts cannon. Picked...
- FourEightZero
- Thread
- Sep 25, 2022
- Replies: 24
- Forum: Transmissions
No TCC lockup in high gear when warm

93 K1500 with 4L60E. Had this issue since day 1. It will drive fine for the first five or ten minutes then suddenly the torque converter will unlock in OD when I'm cruising at 50 and hit the throttle to accelerate around traffic. Until I get to my destination and shut the truck off, 4th is...
- FourEightZero
- Thread
- May 11, 2022
- Replies: 4
- Forum: Transmissions
'93 Sierra K1500 ext. cab (resto/custom)

Hello all! So I picked this truck up back in June. Over 260k miles and there's a lot of work that needs to be done, but I want to know my truck inside and out and this project seemed like the perfect opportunity. I have worked on the interior up until last month and except for the new 40-20-40...
- FourEightZero
- Thread
- Dec 12, 2021
- Replies: 0
- Forum: Member Trucks