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| == Interior Dome Light== | == Interior Dome Light== | ||
| - | The room lamp has one side of the lamp (RL wire) always hot from the L wire of the fuse box. The switch has three positions: | + | [[SeeMainArticle!|Room Lamp#Wiring]] |
| - | * Off | + | |
| - | * Auto (center) | + | |
| - | * On | + | |
| - | In the auto position, the light is grounded by the Door Switch (BR wire in a-pillar). Usually only the driver's side door has a switch. In the ON position, it is grounded through the ground wire in the headliner. | + | |
| - | + | ||
| = Brake lights = | = Brake lights = | ||
Revision as of 00:51, 6 September 2016
The lighting circuits generally use Green wires. Newer 1200 utes differ. The following information is for USA-spec models. Other countries vary slight, see the appropriate Wiring Diagram.
Also see Headlight Wiring
Contents |
Overview
The lighting circuits generally use Green wires.
- G - IG-hot from Fuse Box
- GY - Brake lights (stop lamps)
- GL - running lights (parking lights)
- GB - R.H. Turn Signal + running lights
- GR - L.H. Turn Signal + running lights
Dash Lamps
Indicator lamps * High beam indicator lamp (M.B.) - see Instrument Panel Wiring * Turn Signal indicator lamps - see below
Warning lamps - see Instrument Panel Wiring * Brake failure lamp (Japan GL & USA) * CHG/IGN failure lamp * Oil pressure indicator lamp
Hazards
The 4-way hazard lights are part of the Turn Signal circuit. See next section. The hazards were OPTIONAL in Australia.
Late Sunny Truck & late USA - single position switch
3-button switch (parking & hazard)
1400
PB110 hazard/parking lights switch 25880-H2500 SWITCH COMP-hazard & parking
パーキングスイッチ
Also see Instruments_and_Controls#Hazard_Warning_Switch
Turn Signals
Also see Turn Signals (include Hazards)
The T/S path is as follows: From the IG side of the Fuse Box through the 10A "M" terminal (G wire) to the Four-Way Flasher Switch (Hazard Switch).
NOTE: non-USA export has no Hazard system.
Dash Indicator Lamps
See main article: Instrument Panel Wiring
Japan
Japan-market has Hazard switch but only one Flasher Unit
Late Japan with single-position Hazard switch
album
USA
USA circuit - has Hazard switch with seperate Hazard Flasher Unit
album
The Hazard switch is normally off and so routes power through G wire to T/S Flasher Unit. This means the T/S Flasher is normally HOT (12V) -- but only if the key is ON. From the T/S Flasher unit the power goes to the T/S Switch on the column. In the center position of course the power stops here. But move the switch to right or left, and the power is fed to the Left or Right circuits to power the exterior bulbs and the the dash bulb. The T/S Flasher Unit causes the power to cycle, resulting in flashing.
USA: NILES Hazard flasher bolts to right side of column brace (G/L, G/W)
USA: NILES Turn Signal flasher bolts to left side of column brace
W wire goes into steering column harness, up to the T/S switch
G is the other wire
Dimmer Switch
Dimmer Switch (in T/S & Light Switch unit on steering column)
(T/S section of switch listed here)
| ? | T/S hot feed | From Flasher Unit |
| GB | Right-side T/S circuit | To Right-side (GB) T/S circuit To Instrument panel GR wire (right T/S lamp) |
| GR | Left-side T/S circuit | To Left-side (GR) T/S circuit To Instrument panel GR wire (left T/S lamp) |
\*Labeled "Beam" for 1971. The other side of this light is grounded.
Lamps
Front Side Marker lamp connector
| B | Ground | body connection |
| GB | (R.H. side only) | GL wire (non-flashing) |
| GR | (L.H. side only) | GL wire (non-flashing) |
Front Combo Lamp
Front Parking T/S Lamp connector
| B | Ground | body connection |
| GB | Right-side T/S circuit (R.H. side only) | From right-side (GB) T/S circuit |
| GR | Left-side T/S circuit (L.H. side only) | From left-side (GR) T/S circuit |
| GL | Dedicated parking lamp circuit | From GL circuit |
License plate lamp(s)
is simply connected to the rear-harness "tail" circuit (rear running lights -- GW wire). See above. But it is grounded locally, not through a harness wire.
Interior Dome Light
Room Lamp#Wiring
Brake lights
Brake lights (STOP lamps) -- thankfully -- are simply connected on the B110. At the rear light boxes, the GY wires connect to the main harness GY circuit. This is connected to the "Stop Lamp Switch" at the brake pedal. The other side of this switch (both are YG wires) is connected to Fuse Box GY wire ("H" terminal 15A always-hot). So brake lights work when key is off.
Instrument panel Brake lamp
The IP brake lamp is not related to the rear brake lamps. Instead it signals if the hand brake is on ("Parking Brake Switch"), or if the master cylinder brake light switch ("Brake System Switch") senses a pressure differential problem.
Rear combination Lamp Box
| REV | RB | Reverse lamp circuit |
| T/S | WR | To Left- or Right-side T/S circuit GB (R.H.) GR (L.H.) |
| STOP | GY | Brake light circuit |
| TAIL | GW | Running lights circuit |
| EARTH | B | Rear Comb. lamp "fix bolt" |
The rear wiring harness has a ground wire that bolts to the FIX BOLT, the right-side rear bumper hold-down bolt (inside the car).
Reverse Lights
The reverse lamps are simply connected. The Red wire connects to the reverse switch on the side of the transmission. This switch in turn is fed from the G wire at the fuse box ("M" terminal of fuse box -- 10A fuse). It's always in effect, regardless of the Light Switch position. In other words, the Reverse light should work even if the headlights or running lights are off.
Wire color codes
| B | Black |
| W | White |
| R | Red |
| Y | Yellow |
| G | Green |
| L | Blue |
BW - Black wire with White stripe