Mazda MX-3 silhouetteMX-3

Brake / High-Mount / Back-Up Lights — Harness Routing / Connector Locations (Circuit F-2)

Z-77wiring diagram

F2-03 back-up light switch is MTX only. Main fuse block layout shown for K8 DOHC.

Brake / High-Mount / Back-Up Lights — Harness Routing (F-2)

Component LocationFig. fig1

Connector and component locations for the Brake / High-Mount / Back-Up Lights circuit overlaid on the vehicle body.

Full-page harness-routing and connector-location diagram for the Brake Lights / High-Mount Brake Lights / Back-Up Lights circuit (F-2). Harness color legend at top: FRONT, ENGINE, REAR. Ghosted body outlines show engine compartment (front), instrument panel/floor, and rear quarter with labeled connector locations: Main Fuse Block with X-01 Main Fuse (MAIN 80A <100A>, BTN 40A, K8 DOHC), F2-03 Back-Up Light Switch (MTX only), Joint Box with JB-05/JB-06/JB-07 (JB-06 black), F2-01 Brake Switch, X-03 Ignition Switch (black), X-09 (F)(RA) black, X-21 (RA)(R2), X-20 (RA)(RB), X-22 (R2)(R3), F2-02 High-Mount Brake Light, E4-07 Rear Combination Light (brake light / back-up light) RH, E4-06 Rear Combination Light (brake light / back-up light) LH. Numbered balloon callouts (1,2,3) mark harness junctions.
F-2
1X-01(Main Fuse Block — Main Fuse (MAIN 80A/100A, BTN 40A, K8 DOHC))
2F2-03(Back-Up Light Switch (MTX only), engine compartment)
3JB-05 / JB-06 / JB-07(Joint Box (lower left); JB-06 black)
4F2-01(Brake Switch (instrument panel))
5X-03(Ignition Switch (black))
6X-09((F)(RA) black)
7X-21((RA)(R2))
8X-20((RA)(RB))
9X-22((R2)(R3))
10F2-02(High-Mount Brake Light (rear))
11E4-06(Rear LH — Rear Combination Light (brake light / back-up light))
12E4-07(Rear RH — Rear Combination Light (brake light / back-up light))

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