Cadillac Repair: 1984 deville a/c control head, jumper wire, clutch control

Question
repaired deville a/c freon leak-moved on to control-control head shows approx 9v dc at compressor "drive" circuit-this circuit energizes the clutch control-should be 0v-replaced control head with new-same problem-found jumper wire from previous repair to negative blower motor to drive this circuit to 0v-removed jumper-same problem-did jumper damage new contol head?-does 0v control signal come from control head or programmer to drive power module for clutch?-wiring diagram isn't enough to tell.

Answer
Problem is more likely in the PROGRAMMER and or POWER MODULE than in the control head. Can supply voltage input and output test procedures.

If you are mechanicaly inclined or know of someone who is, You will need simple electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture. I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information.