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Engine running, tps plugged in, trim back some of the wire insul to access the wire.

Retiredwarhorses, you sure did. You're the man. Thanks for putting me on the path.

TALLY HO! Problem solved. Bad TPS. Tried following the TM for adjustment and meas's, but no test lead, no test block and the procedure is poorly explained (21 years as a military mechanic qualifies me to make that determination I think). So, per another forum, I adjusted the TPS to .5 volts...

Without the special lead, which wires do you check voltage from? The manual doesnt specify. Only says check between A and C, but not which wires that corresponds to. Any help is greatly appreciated! Cheers!

Frank....perhaps.....anyway Wire 350c was already skinned back so motorpool had already been in there before. At idle, 350c shows 5.13v at full fwd, 5.15 full aft 355b 5.02 fwd, 4.99 aft 359h .01 both pos's Will compare to TM when back from the field. Looks like a bad TPS. Will post up final...

Cleared the codes and drove it this am. Drove perfect. Stopped and drive again, stuck in 2nd and codes 85, 86 again. When I had the ip rebuilt, they replaced the housing and I think they just stuck the tps back on so it def needs adjusting. Can you do it by just probing the wires with a meter...

I'm out of ideas. Been chasing this one for about a week. Using the TM (Supp 7) and the internet. I have no test equip Wasn't running when I got from GPnt. Bad IP-Replaced Injection Pump-runs fantastic. Drove, only up to 2nd gear. Shifted normal about three test drives after, but not now...