Check for voltage around the dash light brightness control. I don't know
where it is off hand on a 66, on a 67.5 it is to the left of the dash,
near the wiper control (which is in in the middle of the dash on earlier
cars.)
You should have voltage on both sides of the control when it is working
properly.
Peace,
Pat
Thusly spake speeddemonrs, On 1/13/2009 7:00 PM:
> Hi all -
>
>
>
> Finally some time on my hands to look into something with the
> dash/instrument lighting. I have a '66 1600 - PO had a complete wiring
> harness professionally installed prior to selling. After getting it running,
> I noticed that the ONLY dash light I have on at night is a single light in
> the speedometer. I pulled some of the bulbs today to check - they were fine.
> I tested the sockets of the non-working lights, DEAD. I checked the ONE
> light that was working and I now believe that it was mis-installed and
> should have been lighting the HIGH BEAM indicator (which would explain all
> the flashing high beams coming towards me at night as well). This led me
> into looking to see why the high beams were constantly on and how or where
> they are turned off. I took off the steering wheel and found that the
> contact at the turn signal switch has been improperly installed by PO and
> corrected that too. GREAT - now I have high/low beams. I still cannot figure
> out what is wrong with the dash lighting though. Looking under the dash the
> only wires that I see not connected are to the Ammeter which, having
> recently completing the GM alternator conversion, isn't needed anyway. So -
> is there some hidden fuse location or particular connection that I should be
> checking?
>
>
>
> Robb Shannon
>
> "If all men all created equal, why do some men have to drive a Humvee?"
>
> 1966 1600 SPL
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--
---
Pat Horne 512.797.7501
Owner, Horne Systems pat@hornesystemstx.com
5026 FM 2001 Lockhart, TX 78644-4443
--We support Habitat for Humanity, a hand UP, not a hand OUT--
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