TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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WD/Wiring Diagrams — Service Hints, page 215

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Service Hints — MK4 Supra Wiring Diagrams, page 215
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Page text (OCR transcript)
SERVICE HINTS
R 4(A) RADIO AND PLAYER
(A) 4–GROUND : ALWAYS APPROX. 12 VOLTS
(A) 3–GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON OR ACC POSITION
(A) 7–GROUND : ALWAYS CONTINUOUS

: PARTS LOCATION
CODE   SEE PAGE   CODE   SEE PAGE   CODE   SEE PAGE
A30   28   F12   30   R 5   B   29
F10   29   F13   30   R13   30
F11   29   R 4   A   29   R14   30

: RELAY BLOCKS
CODE   SEE PAGE   RELAY BLOCKS (RELAY BLOCK LOCATION)
2   22   R/B NO. 2 (ENGINE COMPARTMENT LEFT)

: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE   SEE PAGE   JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1E   20   INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE   SEE PAGE   JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IB1   36   ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
ID1   36   FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IE1   36   INSTRUMENT PANEL WIRE AND FLOOR NO. 2 WIRE (LEFT KICK PANEL)
IF1   36   INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IF3   36   INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
IL1   38   FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)

: GROUND POINTS
CODE   SEE PAGE   GROUND POINTS LOCATION
IF   36   LEFT KICK PANEL

: SPLICE POINTS
CODE   SEE PAGE   WIRE HARNESS WITH SPLICE POINTS   CODE   SEE PAGE   WIRE HARNESS WITH SPLICE POINTS
I 5   38   INSTRUMENT PANEL WIRE   I14   38   INSTRUMENT PANEL WIRE

A30 GRAY   F10   F11   F12   F13   R 4 A
R 5 B   R13   R14

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