Electrical Systems
7.39
PVL Ignition Troubleshooting 1200cc Carbureted Domestic Engine -- Continued
g. Check the primary side resistance of the
ignition coils:
h. Check the secondary side resistance of the
ignition coils. (Ill. 8)
BLACK coil wire to each secondary lead:
+
_
0.35
ohms
Amp
Ignition Coil
Blk
Blk/Grn
(PTO)
Blk/Blu
(Cen)
Y/Brn
(Mag)
Blk/W
Ill. 7
SPECIFICATIONS:(Ill. 7)
Magneto Cylinder
Black/White to Yellow/Brown: 0.35
ohms
Center Cylinder
Black/White to Black/Blue: 0.35
ohms
PTO Cylinder
Black/White to Black/Green: 0.35
ohms
Black/White to Black Coil wire: OPEN
+
_
To Coil
6000-7000
ohms
Amp
Ill. 8
Black
Coil
Wire
SPECIFICATIONS: (Ill. 8)
16.5² (424 mm) length wire: 3700 ohms
22²(563 mm) length wire: 4540 ohms
28² (714 mm) length wire: 5190 ohms
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