Originally Posted by
TransGo Robert
Ok hook up a voltmeter to the control wire for SSA at the computer end and unplug the computer. Then turn the key ON and see if you have full battery voltage or not. It needs to within 0.25V of what you measure across the battery under the same conditions. If not, tell me what you have and we'll take it from there. If you do have full B+, then plug the computer in, start the vehicle and see what you have in park as well as in drive at a standstill and report your findings.