What fuse powers the instrument illumination circuit in this diagram?

Power comes from a 15A fuse in the power distribution box (page 13-2, circuit 195 T/W) and then a 15A fuse in position 7 of the junction box fuse/relay panel (page 13-11) after the main light switch.

What wire color is the dimmed instrument illumination feed?

Circuit 19 LB/R (light blue/red) carries the dimmed illumination feed from splice S242 to connectors C206, C237, C234 and to the function selector switch, 4WD mode switch, and ashtray illumination. Circuit 434 LB/BK feeds the radios.

Where do the instrument illumination circuits ground?

All illumination lamps ground on circuit 57 BK (black) through splices S204, S203, S201, and S202 to ground G200 (see grounds pages 10-3, 10-4).

Which components receive illumination power in this circuit?

The AM/FM cassette radio (C255), premium sound radio (C262), HVAC function selector switch (C219), 4-wheel drive mode switch (C230), ashtray illumination (C212), and connectors C206, C237, and C234 on page 71-2.

Where is the main light switch tested per this diagram?

The main light switch is shown on page 13-17, and the diagram says to see page 149-1 for switch testing.

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1997 Ford Instrument Illumination Wiring Diagram 071-001 - Dash Light Circuit

Instrument illumination wiring diagram 071-001 with radio, switches and ashtray illumination

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Automotive wiring diagram for instrument illumination showing the main light switch, radio and various illuminated switches with color-coded circuits.

AI caption April 2009 · Photo 846 of 4867

This is page 071-001, "Instrument Illumination," from a Ford factory-style wiring diagram set. It traces the instrument/panel illumination (dimming) circuit from a hot-at-all-times 15A fuse in the power distribution box (page 13-2), through circuit 195 T/W to the main light switch (page 13-17, with switch testing on page 149-1). With the switch in PARK or HEAD, power feeds circuit 14 BR/BU through splice S224 and a 15A fuse (position 7) in the junction box fuse/relay panel (page 13-11), then to the dimmer module (AC OUT/DC OUT/GND) associated with the headlamps circuit (page 85-1). The dimmed output on circuit 19 LB/R distributes via splice S242 to connectors C206, C237, and C234 (page 71-2), and to illumination bulbs in the AM/FM cassette radio (page 150-1), premium sound radio (page 150-2), HVAC function selector switch (pages 53-1, 54-1), 4-wheel drive mode switch (page 34-1), and ashtray illumination. Circuit 434 LB/BK also feeds the radios. All illumination grounds return on circuit 57 BK through splices S204, S203, S201, and S202 to ground G200 (grounds pages 10-3, 10-4). A branch on 1045 DB/W feeds the trailer electronic brake control (page 95-3) via C232F/C232M.

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Frequently asked questions

What fuse powers the instrument illumination circuit in this diagram?: Power comes from a 15A fuse in the power distribution box (page 13-2, circuit 195 T/W) and then a 15A fuse in position 7 of the junction box fuse/relay panel (page 13-11) after the main light switch.
What wire color is the dimmed instrument illumination feed?: Circuit 19 LB/R (light blue/red) carries the dimmed illumination feed from splice S242 to connectors C206, C237, C234 and to the function selector switch, 4WD mode switch, and ashtray illumination. Circuit 434 LB/BK feeds the radios.
Where do the instrument illumination circuits ground?: All illumination lamps ground on circuit 57 BK (black) through splices S204, S203, S201, and S202 to ground G200 (see grounds pages 10-3, 10-4).
Which components receive illumination power in this circuit?: The AM/FM cassette radio (C255), premium sound radio (C262), HVAC function selector switch (C219), 4-wheel drive mode switch (C230), ashtray illumination (C212), and connectors C206, C237, and C234 on page 71-2.
Where is the main light switch tested per this diagram?: The main light switch is shown on page 13-17, and the diagram says to see page 149-1 for switch testing.