What fuse powers the backup lamps circuit?

A 15A fuse in position E of the Engine Compartment Fuse Box, hot in RUN, feeding circuit 298 P/O (see Power Distribution, pages 13-4 and 13-10).

What wire color is the backup lamp feed after the switch?

Circuit 140 BK/PK (black/pink) carries voltage from either the backup lamp switch (manual) or the park/neutral position switch (C6 automatic) to the lamps, passing through connector C103 to splice S116 on page 93-3.

Which connector serves the manual transmission backup lamp switch?

Connector C166 connects the 298 P/O feed to the backup lamp switch and the 140 BK/PK output; the switch is closed in reverse.

Where is the park/neutral position switch testing procedure found?

The diagram references page 149-11 for switch testing of the park/neutral position switch, which connects through connector C127.

What other circuits connect to the park/neutral position switch?

Circuit 33 W/PK (12V start) and circuit 32 R/LB (12V in Park or Neutral) tie into the starting system, referenced on pages 20-2 and 20-4.

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1996 Ford Bronco Backup Lamps Wiring Diagram (93-1) - Reverse Light Circuit

Ford EVTM page 93-1: backup lamps wiring diagram with backup lamp and neutral switches

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Backup lamp wiring diagram showing the manual transmission backup lamp switch and park/neutral position switch circuits.

AI caption July 2018 · Photo 328 of 386

This is page 93-1, "Backup Lamps," of a Ford wiring diagram set, uploaded as part of a 1996 Ford Bronco documentation album. It shows the backup (reverse) lamp circuit power flow. Power originates from a HOT IN RUN 15A fuse (position E) in the Engine Compartment Fuse Box (referenced to pages 13-4 and 13-10, See Power Distribution) on circuit 298 P/O (pink/orange). Two configurations are shown: for manual transmissions, circuit 298 P/O feeds the Backup Lamp Switch through connector C166; the switch closes in reverse and outputs circuit 140 BK/PK (black/pink). For C6 automatic transmissions, power feeds the Park/Neutral Position Switch through connector C127 (with switch testing referenced to page 149-11); the switch also ties into the starting system via circuit 33 W/PK (12V start) and circuit 32 R/LB (12V in Park or Neutral), referencing Starting System pages 20-2 and 20-4. In reverse, the switch outputs circuit 140 BK/PK through C127. Both branches converge and pass through connector C103 as circuit 140 BK/PK, continuing to splice S116 on page 93-3. Callout notes explain that with the transmission in reverse, the respective switch provides voltage to illuminate the backup lamps.

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Frequently asked questions

What fuse powers the backup lamps circuit?: A 15A fuse in position E of the Engine Compartment Fuse Box, hot in RUN, feeding circuit 298 P/O (see Power Distribution, pages 13-4 and 13-10).
What wire color is the backup lamp feed after the switch?: Circuit 140 BK/PK (black/pink) carries voltage from either the backup lamp switch (manual) or the park/neutral position switch (C6 automatic) to the lamps, passing through connector C103 to splice S116 on page 93-3.
Which connector serves the manual transmission backup lamp switch?: Connector C166 connects the 298 P/O feed to the backup lamp switch and the 140 BK/PK output; the switch is closed in reverse.
Where is the park/neutral position switch testing procedure found?: The diagram references page 149-11 for switch testing of the park/neutral position switch, which connects through connector C127.
What other circuits connect to the park/neutral position switch?: Circuit 33 W/PK (12V start) and circuit 32 R/LB (12V in Park or Neutral) tie into the starting system, referenced on pages 20-2 and 20-4.