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08-29-2015, 09:02 PM
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#1 |
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Registered User
Join Date: Dec 2011
Location: Hanford,ca
Posts: 193
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Parking lights and side marker lights stay on constantly
Hoping I can get some help. I have a 71 c10, both my front and rear parking lights and side marker lights stay on constantly. With truck on, truck off, Key out, headlights on or off. No matter what. Just started recently. The only thinks I have done yo it since this issue started was cut out an old trailer light socket that was spliced into the wiring at rear tailights. Also I changed the steering wheel on truck. It has a new light switch. I checked fuses. What would cause this? A bad ground? A hot wire?
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08-29-2015, 09:10 PM
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#2 |
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Registered User
Join Date: Dec 2011
Location: Hanford,ca
Posts: 193
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Re: Parking lights and side marker lights stay on constantly
Also I have installed one of those upgraded headlight harness that make the headlights brighter. But that's been in there before this all happened.
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08-29-2015, 11:12 PM
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#3 |
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Msgt USAF Ret
  
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,715
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Re: Parking lights and side marker lights stay on constantly
Start by unplugging the headlight switch Do they go out?
__________________
VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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08-31-2015, 04:56 PM
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#4 | |
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Registered User
Join Date: Dec 2011
Location: Hanford,ca
Posts: 193
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Re: Parking lights and side marker lights stay on constantly
Quote:
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08-31-2015, 10:56 PM
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#5 |
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Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,715
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Re: Parking lights and side marker lights stay on constantly
Pull the stop/tail fuse in the fuse panel and see if the lights go out. If they do then the headlight switch is wrong for the year or more likely it is shorted internally.
With the switch off,and the plug unplugged, test between the red and brown terminals with your multimeter for continuity. If you get zero ohms then the switch is shorted.
__________________
VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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08-31-2015, 11:20 PM
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#6 |
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Registered User
Join Date: Dec 2011
Location: Hanford,ca
Posts: 193
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Re: Parking lights and side marker lights stay on constantly
It was the switch! Shorted internally! Thank you VetteVet,
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09-01-2015, 12:54 AM
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#7 | |
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Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,715
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Re: Parking lights and side marker lights stay on constantly
Quote:
Elementary my dear Watson!!! 
__________________
VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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Today, 12:40 PM
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#8 |
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Registered User
Join Date: Aug 2020
Location: Charlotte
Posts: 53
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Re: Parking lights and side marker lights stay on constantly
OK guys.. My marker and tail lights stay on even when the switch is disconnected.. My headlights turn on when I have the key on whether the switch is pulled out or not. Turn key off and headlight go out but markers stay on.. Any ideas?
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