How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Ron Your Own Question
Ron, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 35857
Experience:  34 year as an ASE Tech
Type Your Cadillac Question Here...
Ron is online now
A new question is answered every 9 seconds

I have a 86 eldorado i just replaced the cps/psm now i can

Customer Question

hi eric i have a 86 eldorado i just replaced the cps/psm now i can get heat but i still dont have information center lights nore soeedometer can you tell me where do i go from here i have also checked all the grounds i can find.
Submitted: 1 year ago.
Category: Cadillac
Expert:  Ron replied 1 year ago.

Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.

The problem you are having with the speedometer can be caused by any of the following,

  • Vehicle Speed Sensor (VSS) Buffer Ground
  • Vehicle Speed Sensor (VSS) Buffer Power
  • Vehicle Speed Sensor (VSS) Signal
  • VSS Buffer
  • VSS Speed Sensor Buffer Signal — VSS speed sensor buffer signal.

    In order to determine the cause you are going to need to do some testing, I have enclosed the steps in the link below, copy and paste the link to your browser to open and view the steps.