Disabling instrument dimming - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 06-16-2013, 07:14 AM Thread Starter
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Disabling instrument dimming

I drive with my headlights on, all the time, as a matter of company policy.

That makes it hard to read the overhead display and such, since they dim when the headlights are on.

Is there a way to insert a switch that would disable the dimming function, so I can avoid that during daytime?

Or is there at least a good wiring diagram available somewhere, so I can figure it out, myself?
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post #2 of 3 Old 06-16-2013, 07:31 AM
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Yes, there is.
There is a wire you can cut that signals it to dim, but idr which one and I don't have the link anymore. Someone cut it and then put in a switch to reconnect it if you wanted to use it.

2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
330,000 + miles
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post #3 of 3 Old 06-16-2013, 01:32 PM
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Here's a good Gauge Installation page (#32 on second page) -> Gauge Installations at DieselManor- 1999-2003 7.3L Powerstroke

As jesilvas says, just disconnect the side they tell you to tap into for the gauge illumination and supply it with battery voltage (gonna be right there on the back of the switch, just on the supply side of the rheostat there)
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