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05-19-2021
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#1 |
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Join Date: May 2021
Location: Waynesboro, VA
Posts: 9
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Clicking noise with ignition on
1991 ZR-1
When I turn the ignition on but don't start there is a steady clicking noise. I tried to locate source but no luck yet. It appears to continue for as long as the ignition is on. Insights?? Thanks |
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05-19-2021
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#2 |
 
Join Date: Oct 2017
Location: TX
Posts: 2,052
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Re: Clicking noise with ignition on
What general area is the sound coming from?
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Kenny 1990 #442 
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05-19-2021
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#3 |
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Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,843
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Re: Clicking noise with ignition on
Secondary vacuum pump?
H
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05-19-2021
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#4 |
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Join Date: Jun 2015
Location: Texas
Posts: 529
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Re: Clicking noise with ignition on
Does your power antenna work? could be slipping
Maybe a plenum door in the HVAC system? You could start pulling fuses to see if you can isolate the system. |
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05-19-2021
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#5 |
 
Join Date: Sep 2008
Location: Mullica Hill, NJ
Posts: 2,619
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Re: Clicking noise with ignition on
Might your battery be discharged?
If below a certain voltage various things cycle on and off making such a noise. Get your battery charged and tested, then let us know if it is still going on. Marty |
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05-20-2021
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#6 |
Join Date: Oct 2004
Location: Folsom CA
Posts: 1,657
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Re: Clicking noise with ignition on
If the bushings in the headlight motors have turned to dust the motors will run continuously making an odd noise.
Try turning on the headlights, if they don't rotate, theres your smoking gun. 'Crabs |
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