Here's a link to my website. Just scroll down to the Electrical section and
click on the 7-wire instructions. That should do the trick.
http://50chevy.freeservers.com/
Joe
----- Original Message -----
From: <JohnHuntD@aol.com>
To: <oletrucks@autox.team.net>; <old-chevy-truck@yahoogroups.com>
Sent: Sunday, March 30, 2003 11:29 AM
Subject: [oletrucks] Turn signal wiring questions
> A previous owner of my 1949 Chevy 3600 installed an aftermarket turn
signal
> kit, but when I bought the truck it wasn't working. I'm rewiring this
truck
> and finding the turn signal wiring was a mess, and several of the
connections
> don't make sense to me. My trusty "How to Wire Your Streetrod" booklet has
a
> page illustrating a sample aftermarket turn signal kit wiring diagram "for
> illustration only", but is vague on a couple of wires and where they go
and
> how the flasher unit should be wired up. I'd appreciate advice on where
the
> following wires go:
>
> Coming out of the turn signal mechanism on the steering column, there are
> seven wires:
>
> Yellow and green wires which I believe go to the left and right front turn
> signals lamps.
>
> Orange and brown wires which I believe sgo to the left and right rear turn
> signals lamps.
>
> A red wire - The "How to wire your Streetrod" booklet says that depending
on
> the make of the aftermarket turn signal kit this may go to the stoplight
> switch, although I don't see why. I usually associate red wires in
> aftermarket electrics with being connected to a fused block or other hot
wire
> to power the unit. Where should the red wire from the turn signal
mechanism
> on the column go?
>
> A black wire - The "How to wire your Streetrod" booklet says that
depending
> on the make of the aftermarket turn signal kit this may go to the turn
signal
> flasher unit, although it doesn't specify which terminal on the flasher
unit.
> My experience is a black wire usually is a ground wire. Where should the
> black wire from the turn signal mechanism on the column go?
>
> A blue wire - The "How to wire your Streetrod" booklet says that depending
on
> the make of the aftermarket turn signal kit the blue wire may go to the
> "headlight switch", but doesn't say which terminal on the headlight
switch.
> Why does the turn signal mechanism have to be connected to the headling
> switch if the turn signal mechanism on the column has its own power source
> and separate wiring to the separate turn signal lamps? Where should the
blue
> wire from the turn signal mechanism on the column go? If to the headlight
> switch, which terminal on the headlight switch?
>
> Finally, I went to the local auto parts store to buy a new flasher unit,
and
> all the turn signal flasher units on display had three terminals. None of
the
> flasher units came with installation instructions, and the one I bought
"for
> light trucks" has three terminals marked "P", "L", and "X". My GUESS is a
> hot wire from the fuse block goes to the "P" (Power?) terminal on the
flasher
> unit; the "L" (Lamp?) terminal is for a wire that goes to either the red
or
> the black wire from the turn signal mechanism on the column. As to the "X"
> terminal on the flasher, does this go to ground, or to the turn signal
> mechanism somewhere?
>
> Regarding the flasher unit, the "How to wire your Streetrod" booklet shows
a
> two-terminal flasher unit with a black wire going from the turn signal
> mechanism on the column to the flasher unit and a black wire from the
other
> flasher unit terminal going to the fuse block. But it doesn't specify the
> terminal on the flasher unit. Since this booklet only shows a two-terminal
> flasher unit, it may not make any difference which terminal is connected
to
> the wire coming from the turn signal unit on the column and which flasher
> terminal goes to the fuse block.
>
> Given time I can probably figure it out by trial and error, but I'd very
much
> appreciate help from anyone out there as to the proper wiring hookups for
the
> red, black, and blue wires coming out of the turn signal mechanism on the
> column, and how the flasher unit should be wired.
>
> Many thanks in advance.
>
> John Doak in Baltimore, MD
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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