gauge cluster

**matt_28_01** · 02-04-2008, 04:27 PM

on my 02 lb7 as of the last week or so when i put the truck in drive the indicater on the cluster panel does not light up, and now when i go into park it is the same. just today the gear that would get highlighted was 1,2,3 and sometimes reverse. everything operates as normal. just frustrating to look at

**Tow Master** · 02-04-2008, 04:48 PM

My friend has a 01 8.1 with a allison and he plows snow with it. A few years ago we where doing a parking lot and his was doing the same thing as yours. When you went from Park to drive it would go to park 1-2-3 then drive. Finally he quit shifting all together.

All the shifting is electrical. The actuator thats connected to the transmission probably went bed. Its a dealer item. Id have to say you can do it on your own but might want to take it to the shop to get a positive diagnosis. I wouldnt wait to long or you could end up needing a tow.

**matt_28_01** · 02-05-2008, 01:58 PM

dang...it doesnt sound cheap. everything works normal until it is warm

**matt_28_01** · 02-09-2008, 03:53 PM

now today the tranny locked in third....wouldnt down shift or up shift.....goes in and out of reverse just fine.....

**Tow Master** · 02-09-2008, 10:16 PM

Yep thats what my buddys did! From what your describing im 99.9% positive. Id take it to a trans shop or the dealer ship. My buddy that owned the truck is a GM tech and he fixed it himself. Ill ask him tomorrow what you have to do to fix it.

**matt_28_01** · 02-10-2008, 09:16 AM

the check engine light came on and i had it scan. i was told that it is a trans range sensor.

**matt_28_01** · 02-11-2008, 06:30 PM

all is good now. i unplugged my edge and told it for a ride. shut the truck down and started back up and everything was back to normal except for the check engine light. of course everything works fine after i go to the dealer and set up an appointment with the dealership.