Ignition Coil Supply Voltage Test; Distributor Stator Assembly And Wiring Harness Test - Ford LSG 875 Service Manual

2-10
IGNITION SYSTEM
2-10
DIAGNOSIS AND TESTING (Continued)
TEST STEP RESULT
ACTION TO TAKE
6 IGNITION COIL SUPPLY VOLTAGE
1. Attach negative ( -) lead of VOM to distributor 6 to 8 volts
GO to 7.
base.
2. Turn ignition switch to Run position.
Less than 6 volts or greater
GO to 12.
3. Measure voltage at BAIT terminal of ignition coil.
than 8 volts
4. Turn ignition switch to Off position.
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- IA3 I nlbu I urn
-= BASE
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STARTER RELAY
GREEN I
' TACH'
( DISTRIBUTOR 13: :yq , ,
IGNITION
MODULE
NOTE:
WIRE SEQUENCE
HASBEENARRANGED
TO SIMPLIFY
SCHEMATIC.
7
DISTRIBUTOR STATOR ASSEMBLY AND WIRING
HARNESS
1. Separate ignition module four wire connector.
Inspect for dirt, corrosion, and damage.
400 to 1,300 ohms Test
result
OK.
GO to 8.
2. Measure stator assembly and wiring harness
resistance between wiring harness terminals mating
with ORANGE and PURPLE module wires.
Less than 400 or greater GO to 11.
than 1,300 ohms
IGNITION
SWITCH
Y
RED
IGNITION
MODULE
DISTRIBUTOR
HAS BEEN ARRANGED
TO SIMPLIFY
SCHEMATIC.
NOTE:
WIGGLE WIRES IN WIRING
HARNESS WHEN MEASURING