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1996 Ford Bronco Backup Lamp Wiring Diagram - TR Sensor & Reverse Switch 93-1
Reference · 1992-1996 BroncoAll 411 wiring diagrams
Backup lamp wiring diagram showing the manual backup lamp switch, transmission range sensor and starting system circuits.
Part of 1992-1996 Ford Bronco Wiring Diagrams
This document is page 93-1, "Backup Lamps," from a Ford factory-style wiring diagram set, uploaded to a 1996 Ford Bronco gallery. It shows the backup (reverse) lamp circuit fed from a 15A fuse in the Engine Compartment Fuse Box that is hot in RUN, delivering power on circuit 298 (P/O: pink/orange) per Power Distribution page 13-4. Two transmission variants are shown: a manual transmission using a Backup Lamp Switch (closed in REVERSE, via connector C166) and 4R70W or E4OD automatic transmissions using the Transmission Range (TR) Sensor. The TR sensor diagram shows internal switch positions P, R, N, D, 2, 1 and connects to the Starting System (page 20-2, circuits 33 W/PK and 32 R/LB), All-Wheel Drive (page 34-1, circuits 463 R/W and 57 BK), and Transmission Controls for E4OD (page 30-1) and 4R70W (page 29-4) via circuits 359 GY/B and 199 LB/Y at connector C1012. In REVERSE, output on circuit 140 BK/PK passes through connectors C103F/C103M and continues to splice S116 on page 93-2, which feeds the backup lamps. Callouts explain that in REVERSE either the switch or the TR sensor directs current to illuminate the backup lamps.
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Frequently asked questions
- What fuse powers the backup lamps in this diagram?
- A 15A fuse in the Engine Compartment Fuse Box that is hot in RUN, feeding circuit 298 P/O (see Power Distribution page 13-4).
- What wire carries voltage to the backup lamps in reverse?
- Circuit 140 BK/PK (black/pink), which passes through connectors C103F and C103M and goes to splice S116 on page 93-2.
- How do the backup lamps work with a manual transmission?
- A Backup Lamp Switch (connector C166) closes in REVERSE, providing voltage from circuit 298 P/O to circuit 140 BK/PK to illuminate the backup lamps.
- How do the backup lamps work with a 4R70W or E4OD automatic transmission?
- The Transmission Range (TR) Sensor, when in REVERSE, directs current from circuit 298 P/O to circuit 140 BK/PK to illuminate the backup lamps.
- What other systems connect to the Transmission Range sensor on this page?
- The Starting System (page 20-2, circuits 33 W/PK and 32 R/LB), All-Wheel Drive (page 34-1, circuits 463 R/W and 57 BK), and Transmission Controls for E4OD (page 30-1) and 4R70W (page 29-4) via circuits 359 GY/B and 199 LB/Y at connector C1012.
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