Case 445CT - Turn;Hazard Light Flasher Unit - Testing (A.40.A.13.86 - G.40.A.20); Turn;Hazard Light Turn Switch - Testing (A.40.A.13.83 - G.40.A.20); 435, 445, 445 Ct

DISTRIBUTION SYSTEMS - LIGHTING S YSTEM
Turn/hazard l ight Turn switch - Testing (A.40.A.13.83 - G.40.A.20)
435, 445, 445CT
NOTE: For wirin g diagram refer to Wiring harness - Electrical schematic frame 20 (A.30.A.88 - C.20.E.20)
N°
Te st Point Expected Result
Other Result (Possible Cause)
1
Turn the key switch to the ON
position.
Termin al fo r wire 759A (P) to ground.
12 volts
Check the circuit between the
flasher switch and the 10 amp fuse
in the options fuse block. Also check
the 10 amp fuse in the options fuse
block
2
Place the hazard switch on the ON
position.
Termin al fo r wire 758B (P) to ground.
12 volts Bad hazard switch.
3
If the readings are correct and the
indicator lamp on the hazard switch
does not illu minate, proce ed to the
following test.
Termin al for w ire 178BM (B) to
ground.
Continuity Bad ground circuit fo r hazard switch
indicator lamp.
If the readings are correct and the
indicator lamp on the hazard switch
doe no t illuminate, replace the
hazard switch.
Turn/hazard light Flasher unit - Testing (A.40.A.13.86 - G.40.A.20)
435, 445, 4
45CT
NOTE: For wirin g diagram refer to Wiring harness - Electrical schematic frame 20 (A.30.A.88 - C.20.E.20)
N°
Te st Point Expected Result
Other Result (Possible Cause)
1
Terminal for wire 178FA to ground. Continuity
Bad ground
circuit.
2
Turn the k
ey switch to the ON
position.
Termin al for wire 751FA (R) to
ground.
12 volts
Check the
circuit between the
flasher and the 10 amp fuse in the
options fuse block. Also check the
10 amp fu s
eintheoptionsfuse
block.
3
Place th
ehazardswitchintheON
position.
Terminal for wire 7 5 8FA (P) t o
ground.
Intermitt ent 12 volts
Check th
e circuit betw een the
flasher and the flasher switch. Also
check the flasher switch.
4
Terminal for wire 7 5 7FA (P) t o
ground.
Intermitt ent 12 volts
Bad flasher.
Check di
ode in diode pack .
5
Terminal for wire 7 5 6FA (P) t o
ground
.
Intermitt ent 12 volts
Bad flasher.
Check di
ode in diode pack .
6
Termin al for w ire 759FO (P) to
ground
.
Intermitt ent 12 volts
Bad flasher.
7
Place the turn signal switch in the
left turn position.
Termin
al for wire 756 to ground.
Intermitt ent 12 volts
Check the circuit between the
flashe
randtheturnsignalswitch.
Also check the turn signal switch.
Bad flasher.
8Place
theturnsignalswitchinthe
right turn position.
Terminal for wire 757 to ground.
Inter
mittent 12 v olts
Check the circuit between the
flasher and the turn signal switch.
Also c
heck the turn signal switch.
Bad flasher.
1 04/05/2005
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