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Posted

Noticed the other day. High beams work but indicator does not. Swapped bulb with the turn signal indicator buld (which I confirmed worked) and turn indicator still worked but high beam still didn't. How does the high beam indicator get its power?

Posted

all I know about the high-beams is they are controlled by a long bar that runs from the indicator switch, down the column to the real switch, and that the rod can easily not be in proper alignment. 

Posted

Check for voltage at pin 8 of the connector going into the cluster (white) to cycle on and off with the high beams.  

 

Edit:  Which truck?  :laughin:

Posted

The high beams themselves work! Just not the indicator. So I don't think its any activation rod or anything. Thanks a-man. I'll try and see if I get anything

  • 1 year later...
Posted

The high beams themselves work! Just not the indicator. So I don't think its any activation rod or anything. Thanks a-man. I'll try and see if I get anything

 

Did you ever figure this one out? I have the exact issue on my '90. From what the FSM shows, I'd say what A-man930 mentioned is the right path to be on, just too cold up here to be poking about right now.

Posted

Ended up being just a faulty connection on the back of the cluster. Swapped whole screw plug with one of the unused ones off of the side infocenter. And its worked fine ever since.

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