ELECTRICAL WIRING

Page 242 APPENDIX POWER TAKE-OFF CIRCUIT INSTALLATION

The Body Builder must provide a PTO Circuit to alert Circuits 295 (LB/PK) and 322 (LB/Y) are located in by removing the access panel below the steering that connects to the positive (switched) side of the
the PCM to PTO operation. Failure to provide this the center of the instrument panel, labeled “Power column (4 quarter turn fasteners). PTO indicator light. (See Figure C1). In
circuit may result in erroneous emission codes, and Take-Off Circuit” (See Figure A). They are near the Splice circuit 295 (LB/PK) to the body builder electrically-actuated PTO systems, the wires labeled
inadvertent illumination of the “Service Engine Soon” customer pass-thru circuits, and are blunt-cut with provided wire that connects to the positive side of the “Power Take-Off” must be isolated from the solenoid
light during PTO operation. shrink wrap tubing over the cut ends. They are easier PTO indicator switch or PTO control relay. Splice or PCM DAMAGE COULD RESULT (See Figure C2).
to access from the front of the instrument panel (IP) circuit 322 (LB/Y) to the body builder provided wire

FRONT OF
VEHICLE
FORD PROVIDED BODY BUILD PROVIDED
NOTE: MINIMUM 18 GAGE SXL OR
18 GAGE GXL FOR ALL WIRES

POWERTRAIN FROM INSTRUMENT PANEL

PCM CONTROL (CIRCUIT 295, LB/PK)
MODULE
(PCM) CIRCUIT 322 (LB/Y)
HOT IN
PTO CONTROL RUN
RELAY (DPDT)
USE FUSE OF
PTO APPROPRIATE
RATING
PTO *
INDICATOR
TO B+
LIGHT
REQUIRES:
VOLTAGE WHEN PTO IS OPERATING PTO CONTROL
SWITCH
VOLTAGE OFF WHEN PTO IS OFF, OR
WHEN IGNITION IS OFF.
PCM/PTO CIRCUIT MUST BE
ELECTRICALLY ISOLATED FROM
THE SOLENOID, OR PCM SOLENOID FOR
DAMAGE COULD RESULT PTO CLUTCH OR
CLUTCH PUMP

CUSTOMER PASS–THRU UNDER INSTRUMENT POWER TAKE–OFF APCM CONNECTOR

CIRCUITS (NOT FUSED) PANEL TRAILER TOW CIRCUITS (BLACK, 4–PIN) DASH PANEL
* IF USING AN LED, SERIES
/SECOND UNIT BODY RESISTANCE IS REQUIRED.
(SUB) CIRCUITS
CIRCUIT COLOR WIRE CIRCUIT COLOR WIRE CIRCUIT COLOR WIRE CIRCUIT COLOR WIRE ELECTRICALLY ACTUATED SYSTEMS
NUMBER CODE GAUGE NUMBER CODE GAUGE NUMBER CODE GAUGE NUMBER CODE GAUGE
1353 R 14 14 BR 18 295 LB–PK 18 57 BK 18 FIGURE C1 - F-SUPER DUTY
1487 DB 14 50 R 12 322 LB–Y 20 640 R/Y 20
1495 W 14 511 LG 18 914 T/O 20
1501 BK 14 43 DB 12 915 PK/LB 20
BB0310 206 W 16
FIGURE A - VIEW UNDER DASH F-SUPER DUTY FORD PROVIDED BODY BUILD PROVIDED
NOTE: MINIMUM 18 GAGE SXL OR
18 GAGE GXL FOR ALL WIRES

POWERTRAIN
PCM CONTROL FROM INSTRUMENT PANEL
MODULE (CIRCUIT 295, LB/PK)
TO CUSTOMER (PCM) CIRCUIT 322 (LB/Y)
HOT IN
PASS THRU RUN
CIRCUITS
PTO
FRONT OF
VEHICLE
CUSTOMER PASS THRU CIRCUITS PTO *
INDICATOR
CIRCUIT NUMBER COLOR CODE WIRE GAUGE REQUIRES:
LIGHT

1353 R 14 VOLTAGE WHEN PTO IS OPERATING

1487 DB 14 VOLTAGE OFF WHEN PTO IS OFF, OR

WHEN IGNITION IS OFF.
1495 W 14 * IF USING AN LED, SERIES
1501 BK 14 RESISTANCE IS REQUIRED.
DASH PANEL

BB0249
MECHANICALLY ACTUATED SYSTEMS

FIGURE C2 - F-SUPER DUTY

BB0476

FIGURE B - VIEW UNDER HOOD F-SUPER DUTY