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Old 03-03-2006, 06:26 PM
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Universal turn signal install

hi all, am planning on picking up a universal turn signal switch like a signal stat, or a truck lite unit, I work at a Freightliner dealership and get a discount.

Anyways, I have a 55 Dodge 1/2 ton that I am converting to 12 volt and was wondering if I should get the 4 wire switch or the 7 wire switch, I have a EZ Wiring brand 21 circuit harness that I'll be using. If Im going to run marker lamps / running lamps as well as turn signal indicators in the lamps what do I get? The 4 wire unit info says for signal lamps only, but the 7 wire unit says nothing ....I want to plan ahead as much as I can.


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Old 03-03-2006, 07:32 PM
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turn signal

My universal has 7 wires- could it be the 4-way flasher? Bill
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Old 03-04-2006, 09:26 AM
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The attached sketch shows the wiring of a typical combination T.S. - hazard switch.

The 7 wires are:

Power hot or hazard flasher
Power ignition switched or T.S. flasher
From brake light switch
To left front lamp(s)
To right front lamp(s)
To left rear lamp(s)
To right rear lamp(s)

Marker lights won't be controlled by T.S. sw.

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File Type: pdf gmturnsignals.pdf (55.2 KB, 534 views)
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