Need help with instrument cluster

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May 26, 2010 | 10:20 AM

#16

ctubutis

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Joined: Nov 2007

Posts: 22,415

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From: Denver Metro Area, CO

My 86 Tempo has such a light, it stopped working about 10 years ago after I had the struts &
springs replaced and haven't figured out why. In any event, my understanding is that they
were used for determining EPA estimated mileage and nothing more.

May 26, 2010 | 07:28 PM

#17

Fordzilla80

Logistics Pro

Joined: Jun 2008

Posts: 4,990

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From: Florida

Quote:

Originally Posted by ctubutis

Yup, I have one of those, too.

It's an add-on circuit that gets installed when
4WD is installed. This bulb & circuit isn't handled by the printed circuit (that
handles most of the rest of the cluster - all but the Emissions light) but is
independently added.

Yup,and there's a white/pink wire that goes to the fuse box.More specifically,the light blue wire is for the Differential Lockout Indicator Switch.

Does anybody know how the white/pink wire attaches to the fuse box?I have the whole harness for the indicator light,but I can't figure out how the white/pink wire attaches.There's a green clip at the end that I know clips on the back of the fuse block,but the manual says it goes on F-11,yet I can't find a way for it to slip on.Any help is greatly appreciated.

May 26, 2010 | 09:49 PM

#18

ctubutis

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Joined: Nov 2007

Posts: 22,415

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From: Denver Metro Area, CO

I was confused about it plugging into the front or the rear, I then remembered I have my old
harness easily available in the garage, so here ya go (plugs into the rear):

Sep 22, 2012 | 04:16 PM

#19

19tanker

Junior User

Joined: Sep 2012

Posts: 57

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From: Texas

1985 F250 indicator lights on instrument panel not working

Hey Guys,
I am just looking for some direction....the indicator lights for the right turn signal and the dimmer/bright light indicator on the instrument cluster do not work. The brake light, right turn signal and 4x4 lights all work, and I have already put new bulbs in for all the indicator lights. Of course, the fuses are all good as well.
So, I am about to remove the cluster and see if I can find some wiring problems, perhaps ground problems or something.
Does anyone have any experience with tracing the source of these two non-working lights? (by the way, all the turn lamps work on the outside of the truck and the dimmer switch works as well).

Any advice?