Illuminated Switch Install

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Jul 8, 2020 | 02:16 PM

SuperDutyBoiler

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Joined: Jun 2019

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Illuminated Switch Install

Wanting to install a illuminated switch that lights up when parking/head lights come on in my 2005 F350 6.0. Where/which is best wire to tap for "+" illumination on?

Jul 9, 2020 | 11:49 AM

krifenbu

Tuned

Joined: Mar 2005

Posts: 323

Likes: 18

From: Lebanon, MO

There is a brown wire in the harness behind the headlight switch that has 12v when the park and headlights are on.

Jul 9, 2020 | 12:22 PM

SuperDutyBoiler

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Cool. Thanks! It looks like there are two brown wires in harness connector that connects to the switch. Do you know if both will work? Probably should verify with a probe light or volt meter before splicing either...

Jul 10, 2020 | 10:18 PM

Yahiko

Fleet Owner

Joined: Apr 2012

Posts: 27,307

Likes: 549

From: Spanaway

You want the one that is going to the cluster.

I added the Instrument Cluster, Illumination and Radio
diagrams so you can see what wires they all use for
the illumination circuits.

Attached Images

85-1 Headlights.pdf (165.4 KB, 49 views)

60-1 Instrument Cluster.pdf (471.4 KB, 41 views)

71-1 Illumination.pdf (269.5 KB, 27 views)

130-1 Radio.PDF (203.2 KB, 30 views)

Jul 11, 2020 | 10:14 AM

F350 1990

Fleet Mechanic

Joined: Feb 2007

Posts: 1,652

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From: Mooresville, NC

Solved. Also those factory upfitter kits (for your year) work well for other things too, look very clean / pro on the dash (install). Ford / Moto accessories are usually high quality.