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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Parking light relay makes whining sound

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Old Feb 16, 2023 | 12:18 PM
  #1  
MichaelKLerner's Avatar
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Parking light relay makes whining sound

88 Pickup 22r - I am having electrical trouble with my OEM parking lights. Specifically, my parking lights relay clicks fast, makes a whining noise, whenever I turn on the light switch on the stalk.

On further investigation, it seems the power leads to dome, hvac fan, and parking lights are shorted to ground. None of these devices function properly.

The onset of these problems were intermittent and gradual. Now the dysfunction is stable and total.

It's rained heavily since the onset, but I haven't found any water damage or dampness in the affected areas.

Any input would be greatly appreciated.

Last edited by MichaelKLerner; Feb 17, 2023 at 12:03 PM.
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Old Feb 19, 2023 | 05:57 AM
  #2  
Jimkola's Avatar
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My guess would have been a bad ground somewhere. but if you have a short to ground than you're blowing fuses. I'd start looking at wiring connections made to the existing harness on that circuit with the blown fuse(s))
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Old Feb 19, 2023 | 08:17 AM
  #3  
MichaelKLerner's Avatar
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From: San Jose, CA
Originally Posted by MichaelKLerner
88 Pickup 22r - I am having electrical trouble with my OEM parking lights. Specifically, my parking lights relay clicks fast, makes a whining noise, whenever I turn on the light switch on the stalk.

On further investigation, it seems the power leads to dome, hvac fan, and parking lights are shorted to ground. None of these devices function properly.

The onset of these problems were intermittent and gradual. Now the dysfunction is stable and total.

It's rained heavily since the onset, but I haven't found any water damage or dampness in the affected areas.

Any input would be greatly appreciated.
To clarify, no blown fuses. But I have zero resistance between positive and ground on affected circuits.
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Old Mar 2, 2023 | 03:54 PM
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Just checking in to thank jimkola for always pitching in to help me out.

Update on the electrical problem - So far no resolution. I'll report back when I resolve this.
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Old Oct 1, 2024 | 07:04 PM
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same problem

Originally Posted by MichaelKLerner
Just checking in to thank jimkola for always pitching in to help me out.

Update on the electrical problem - So far no resolution. I'll report back when I resolve this.
I,ve got the same problem - -how did you fix your's ? :-)
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