What wire color and circuit feed the electrochromatic inside mirror?

Circuit 140, a BK/PK (black/pink) wire, feeds the mirror; on diesel applications it passes through connector C145 pin 5 and C264 pin 8 into pin 3, and VPWR enters at C911 pin 1.

How is the auto-dimming mirror grounded?

Ground exits the mirror at connector C911 pin 2 on circuit 57 (BK wire), goes through splice S936, and terminates at ground G201 (see page 10-5).

What is the part reference for the electrochromatic inside mirror unit?

The diagram labels it as the Electrochromatic inside mirror unit (17700), diagram reference 151-44.

Does the diagram differ between gasoline and diesel engines?

Yes. Splice S144 is marked 'Gasoline,' while connector C145 (pin 5) is marked 'Diesel' on the 140 BK/PK circuit.

What other circuit shares the 140 BK/PK wire?

A branch of circuit 140 BK/PK goes to the reversing lamps, referenced at 93-1.

Home/ Registry/ Ford/ Excursion/ 2000-2005/ “Diesel Wagon”/ Photo supermotors.net/registry/media/454261

Ford Excursion/Super Duty Auto-Dim Inside Mirror Wiring Diagram (17700)

Electrochromatic mirror wiring diagram with color-coded wires and splice/connector IDs

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Wiring diagram for the electrochromatic inside mirror showing color-coded wires, splices, and connector references to ground.

Part of 2000-2005 Ford Excursion Wiring Diagrams

AI caption November 2006 · Photo 102 of 118

This document is one page of a Ford wiring diagram showing the power and ground circuits for the electrochromatic (auto-dimming) inside rear-view mirror unit, base part number 17700, cross-referenced to diagram cell 151-44. Power arrives on circuit 140 (wire color BK/PK, black/pink) from splices S144 (gasoline engine applications) and S160, with a branch feeding the reversing lamps circuit (referenced to page/cell 93-1). For diesel applications the circuit passes through connector C145 pin 5, then connector C264 pin 8, entering the mirror at pin 3. A VPWR (vehicle power) feed enters the mirror unit at connector C911 pin 1. The ground path leaves the mirror at C911 pin 2 on circuit 57 (BK, black wire), passes through splice S936, and terminates at ground G201, with a note to see page 10-5. The diagram distinguishes gasoline versus diesel wiring paths, making it useful for diagnosing an inoperative auto-dimming mirror or reverse-tilt mirror wiring on Ford Super Duty / Excursion-family trucks. The page carries a SuperDutyDiesel.com watermark. No explicit model year is printed on this excerpt.

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Frequently asked questions

What wire color and circuit feed the electrochromatic inside mirror?: Circuit 140, a BK/PK (black/pink) wire, feeds the mirror; on diesel applications it passes through connector C145 pin 5 and C264 pin 8 into pin 3, and VPWR enters at C911 pin 1.
How is the auto-dimming mirror grounded?: Ground exits the mirror at connector C911 pin 2 on circuit 57 (BK wire), goes through splice S936, and terminates at ground G201 (see page 10-5).
What is the part reference for the electrochromatic inside mirror unit?: The diagram labels it as the Electrochromatic inside mirror unit (17700), diagram reference 151-44.
Does the diagram differ between gasoline and diesel engines?: Yes. Splice S144 is marked 'Gasoline,' while connector C145 (pin 5) is marked 'Diesel' on the 140 BK/PK circuit.
What other circuit shares the 140 BK/PK wire?: A branch of circuit 140 BK/PK goes to the reversing lamps, referenced at 93-1.