If you can get an accessory installation manual, these light switches
and wiring are covered as they were an accessory in 55-2 through
57, don't know about '58-59. The wires from the switch go down through
the steering column into a plug under the dash, and from there, to
the indicators, and out of the cab underneath. There are two hot
wires up to the switch, one is through the blinker and the other
is through the brake light switch. Then there are four wires out,
two for the front signals and indicators and two for the rear signals.
When I get home tonight, I'll look up the wire colors.
I would start with the power wires and check that there is power
going to the switch. Then check the switch. Look for things like
brake lights work, turn signals don't, front signals work, rear ones
don't, and so on, to isolate the wiring problem.
If you need, I can scan the wiring diagram for a '57 along with
the other pages.
Bruce Kettunen
57 3200
Mt. Iron, MN
At Monday, 14 May 2001, you wrote:
>I'm having trouble diagnosing a turn signal gremlin. I'm hoping
someone
>here has some ideas on what to check. Factory turn signal stopped
working
>a few months back when it was still cold and snowy here in
>Buffalo. Finally had time to work on it. Truck has been rewired
by prior
>owner, but the wiring for the turn signal in the steering column
was not
>replaced. I started out with the obvious and cheap stuff. Checked
bulbs,
>no broken filaments. Fuses fine. Replaced flasher, no
>difference. Removed turn signal switch. Thought I found the problem
when
>I pulled out some horribly bared wires. I replaced the switch tonight
with
>a brand new one from Chevy Duty, but that didn't remedy the problem
>either. Everything else in the truck works.
>
>Is there some other connection I should be looking at?
>What other problems would cause this result?
>How can I test whether the new switch is good?
>I'm open to suggestions on how to proceed.
>
>Jason
>'59 Short Fleetside
>Sign-up for PayPal using me as your referral and get $5!
>https://secure.paypal.com/refer/pal=markel%40webt.com
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
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