TSRM/MK4 Supra/Wiring Diagrams
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PS/Power Source — Power Source (Current Flow Chart), page 1

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Power Source (Current Flow Chart) — MK4 Supra Power Source wiring diagram, page 1
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Page text (OCR transcript)
POWER SOURCE (Current Flow Chart)

The chart below shows the route by which current flows from the battery to each electrical source (Fusible Link, Circuit Breaker, Fuse, etc.) and other parts.
The next page and following pages show the parts to which each electrical source outputs current.

20A RAD No. 1
7.5A DOME
7.5A ALT−S
15A HAZ−HORN
15A FOG
30A EFI No. 1

120A ALT

60,64 Starter S2

50A MAIN

Battery

30A EFI No. 2
30A ABS No. 2
7.5A TRAC
(2JZ−GTE)
30A AM2

(2JZ−GTE)
30A FAN
50A HTR
60A ABS No. 1
68 Generator (Alternator) G1
60A POWER
50A AM1 (For USA)
60A AM1 (For Canada)

56, 64, 70, 82, 84, 126, 138 Headlight Relay

(Canada)

56, 96 Dimmer Relay (Daytime Running Light Relay No. 2)

56, 60, 64, 70, 82, 84, 126, 156 Ignition SW (AM2) I19

Example

2 Starter S3
Code or Location
Parts
*Page Nos. of Related Systems

15A DOME
Location
Electrical Source

* These are the page numbers of the first page on which the related system is shown.
The part indicated is located somewhere in the system, not necessarily on the page indicated here.

56, 96, 102, 108, 172, 196 Taillight Relay (Point Side)

30A DOOR
15A STOP
10A ECU−B

30A DEFOG

56, 60, 64, 70, 82, 84, 126, 156 Ignition SW (AM1) I19

15A HEAD (LH (For USA)
15A HEAD (LH−LWR) (For Canada)
15A HEAD (RH (For USA)
15A HEAD (RH−LWR) (For Canada)

7.5A DRL

15A HEAD (LH−UPR) (For Canada)
15A HEAD (RH−UPR) (For Canada)

7.5A IGN

(2JZ−GTE)

(2JZ−GE)

[LOCATION] (1) : J/B No. 1 (See page 20) (2) : R/B No. 2 (See page 22) (3) : R/B No. 4 (See page 23)

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