I tried the test to see if it was functioning per the sticky.....absolutely zilch as far as voltage! Anyone else ever had the same results?

Could there be something else causing it to read "0"

Thanks, Tony

 

Is there power and ground on the plug? Should be +5 v on one side, ground on the other with nothing in the middle. Key on, plug unplugged.

 

Thanks it seems to be working properly. On to the the next possible cause of it jumping in an out of O.D.

Tony

 

Speedo run steady while that happens?

 

lol my speedo and odmeter have both been dead for two plus yrs!....and here is the kicker the O.D. "was" working fine....along with the cruise....cruise still works! So I have no Idea of really where to start! thinking of going the potentioner route....if that will work?

Tony

 

usually the most common cause of it jumping in and out of od is the TPS. If you have no voltage to the tps then the potentiometer will not help your situation. If you do have voltage and a ground then the potentiometer will fix it right up.

 

Get a working speedo in there to confirm that the VSS is working. Without a VSS signal the PCM has no idea that you are moving fast enough to shift into OD.