i swaped the 4l60 for the 4l80 and kept my 10 bolt for now with 456 and a eaton locker and run 37s. i still think it works great! and on my other truck i get a corp14 ff with 513 and detroit locker and run 44s. 1600 is way to high of a price, u can get a 14sf all day for 150bucks. locker and...
it could be the harness where it plugs into the back light, i had probmems with mine as well. just play with the harness when the blinker is on. i just had to bend some tabs in and it worked fine. good luck
im in a few of shaggys forums, got me a 88gmc 454-turbo400-241tc-dana60hp front-corp14 rear-513 gears locker in front spool in the rear and 44 boggers, im also into jeeps and 4door tahoes all lifted of course!!!!!!
i just replaced mine on my tahoe, u need to drop the gas tank to get the leaf spring bolt out. i found a set of leaf springs a a junk yard for 50 bux. then i threw my 3 add a leafs in and put it all back together. broken leafs are caused by loose u bolts, if u have any questions pm me and i will...