1989 Chevrolet K1500 "ac speedometer" Questions

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speedometer not working all gauges work 700r4 trans ohms r good have ac voltage at cluster changed cluster when in air in od doing about 60mph speedo says 10mph Is the speed sensor that you are using ...

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AC? Yes GO to E2 . No CHECK and INSPECT the speedometer drive gear. INSTALL a new VSS if the speedometer drive gear is OK. TEST the system for normal operation E2 CHECK CIRCUIT 679 (GY/BK) AND CIRCUIT

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Speedometer, cruise light , ac/heater control doesn't work Speedometer doesn't work and cruise light stays on, ac/heater control doesn't work when trying to turn on ac or heater the ...

Question about Chevrolet 1500

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...speedometer now working. It also worked on my 2004 Chevy Silverado to correct an AC/Heating problem just after installing a new battery. The truck blew hot and cold air at same time with only AC

Question about Chevrolet 1500

3 Answers

AC voltage is leaking from the alternator, it can interfere with the VSS signal, and cause the speedo to read higher, or even show that the car is moving when sitting still. Hi!! Transmission shops do

...speedometer works but a/c still doesn't. mechanic said I may need to change all relays... do relays affect the a/c??? There may be two relays with the AC circuits. One will control the AC cooling fan ...

...speedometer stops working, ac stopped cooling? What can cause the abs, oil, brake lights coming on, speedometer stops working, ac stops cooling. Lights don't stay on all the time. That's still under ...

...truck speedometer would jump to 80mph but was fine driving home.next day no speedometer and only have 1st and 2nd Check the speed sensor for faults and alternator output for AC current interference

Question about Chevrolet 1500

1 Answer

...AC, Ect.) the speedometer jumps up to 85 mph then drops up and down. But when driving the car it works great. I replaced the speed sensor but that didn't help. Please HELP!! I also had the same ...

...speedometer didn't work after jumpstart, it works with the new battery,but still stalling. There is an idle speed control motor on the side of the car's throttle body that is supposed to keep ...

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