i HAVE A 97 5.9 MAGNUM WITH CAM ,M1 INTAKE AND OTHER MODS

WHAT IS THE INITIAL VOLTS ON THE TPS SUPPOSED TO BE SET AT I HAVE A STUMBLE OFF IDLE AFTER PUTTING A NEW TPS ON THE TRUCK.

 

You can't adjust the TPS.

 

you either have to use the drb3 (dealer scanner) to reset the min tps voltage or you have to unhook the bat for ten mins to let it reset. aftwards you turn the on but not start it. let it set for 30 seconds and the pcm should relearn the min tps. there is no adjustment and this value can change some over time so the pcm does update it.
also if you think your tps is bad back probe it. should be .5 to 4.5 volts. the 0 to 0.5 and 4.5 to 5 volts are reserved for self diag as ckt codes.