Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

No high beams and radio shuts off

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Old 06-02-2010, 05:38 PM
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No high beams and radio shuts off

In my 86 Iroc when I turn the high beams on I get no headlights at all, and my radio shuts off.

Any suggestions?
Old 06-03-2010, 11:54 AM
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Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Turn The Bass Control To Raise The Air Conditioning

Did you just buy the car?

The PO might have done something to the wiring.

Anyway the dimmer stalk might need adjusting.

Do you get a good feeling
CLICKwith every pull?

If not, gain access to it at the bottom of the steering column.

When you pull the lever you'll see the moving rod and the switch.

You’ll need a 7mm nut driver.

As you pull the lever you'll see the rod moving.

Adjust the switch so the rod pushes the button.


Happy Racing!



Rule Number 1 Is To Know Which Rules You Can Break

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Old 06-03-2010, 03:44 PM
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Re: Turn The Bass Control To Raise The Air Conditioning

Yeah, I just did buy the car and it does have an aftermarket radio.

It does seem that the switch is working fine, I get a "click" when I pull back on it.
Old 06-09-2010, 03:57 PM
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Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Turn The Bass Control To Raise The Air Conditioning

OK pull the Pull-For-On headlight switch as if you’re trying to turn them on.

Using a voltmeter or test light
(the type for testing for voltage, not a continuity tester) probe the 16 AWG tan wire from the dimmer switch.

When you operate the dimmer switch what does the meter or test light do?

Then probe the
16 AWG light green wire from the dimmer switch.

When you operate the dimmer switch what does the meter or test light do?


Happy Racing!



8 Wheels Corner Better Than 4, If You’re On The Outside You Have Fair Warning

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Old 06-09-2010, 04:39 PM
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Re: Turn The Bass Control To Raise The Air Conditioning

Thanks for the info Nina. I will post up results when I get my hands on a meter!
Old 08-09-2010, 04:13 PM
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Re: No high beams and radio shuts off

OK, just a little update......So I finally broke down and got a decent mutilmeter. I even bought a new high beam bulb to be safe.

Ive been reading here that the problem might be the headlight dimmer switch at the base of the steering column.

So I get out there today and start playing with the dimmer switch and find the wire harness that plugs into it is wrapped 2 or 3 times around the metal dash framework. One of the wires was skinned and ground out to the metal.

I untangled the mess, fixed up the bad wire and now I got high beams!!
Old 08-16-2010, 11:10 AM
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Car: 82 camaro berlinetta (z28clone)
Engine: gmpp 350,edelbrock,msd,k&n
Transmission: stage 2 maddog 700r4
Axle/Gears: motive gear 4.10/ eaton posi
Re: Turn The Bass Control To Raise The Air Conditioning

i got a wierd situation also....no headlights at all...started a new forum no healights at all.help?
not the bulb
no power going to connector
no indicator light
dimme switch not clicking anymore....any ideas....
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