Advertisement
NOTE:
2.
Disconnect the Black/Yellow kill wire AT THE SWITCHBOX and retest. If the engine's Ignition now has spark, the stop circuit has a
fault. Check the key switch, harness, and shift switch (if present).
3.
Disconnect the Yellow wires from the Stator to the Voltage Regulator and retest. If the engine now has spark, replace the Voltage
Regulator.
4.
Check the cranking RPM. A cranking speed less than 250 RPM will not allow the system to fire properly. This can be caused by a weak
battery, dragging starter, bad battery cables, or a mechanical problem inside the engine.
5.
Check the Stator and Trigger resistance and DVA for your engine in the lists below:
Check the 2 cylinder engine as follows:
Read from
Blue (Low speed Coil)
Red (High speed Coil)
Purple (#1 Trigger)
Purple (#1 Trigger)
White (#2 Trigger)
Check the 3 cylinder engine as follows:
Read from
Blue (Low speed Coil)
Red (High speed Coil)
Brown (Trigger)
White (Trigger)
Purple (Trigger)
Brown (Trigger)
White (Trigger)
Purple (Trigger)
NOTE: The 3 cylinder engines have several configurations to the firing order. Please refer to the Factory Service Manual to
make that determination. The pairing should always be as follows:
•
Green Coil Wire goes with the Brown Trigger Wire
Green/Red Coil Wire goes with the Purple Trigger Wire
•
•
Green/White Coil Wire goes with the White Trigger Wire
Check the 4 cylinder engine as follows:
Read from
Blue (Low speed Coil)
Red (High speed Coil)
Purple
(#1 Trigger)
Brown
(#3 Trigger)
Purple
(#1 Trigger)
White
(#2 Trigger)
Brown
(#3 Trigger)
White/Black (#4 Trigger)
6.
Inspect the flywheel Trigger and Stator magnets to see if they are loose or broken. Disconnect the Voltage Regulator and retest. If the
fire returns, replace the Voltage Regulator.
7.
Disconnect Red and Red/White wires and retest. If the DVA tests above is withing specifications, the Switchbox is usually bad.
NO FIRE ON 2 CYLINDERS (4 CYLINDER ENGINE):
1.
DVA test Stator (see NO FIRE ON AN CYLINDER).
2.
Swap the Blue with the Blue/White Stator leads, and the Red with the Red/White Stator leads to see if the no fire problem changes. If it
does, the Stator is bad. If the problem remains on the same cylinder(s), the Switchbox or Trigger is probably at fault.
HIGH SPEED MISS-FIRE OR WEAK HOLE SHOT:
1.
Connect DVA meter to the Blue and Blue/White wires and do a running test. The voltage should show a smooth climb and stabilize,
gradually falling off at higher RPM's (above 3,000). If you see a sudden drop in voltage right before the miss becomes apparent, the
Stator is likely at fault.
Web Support:
All rights reserved. Reproduction or use of content, in any manner, without express written permission by CDI Electronics, LLC., is prohibited.
Rev J • 4/7/2021
Installation and Troubleshooting Guide
This installation is to be completed by an Authorized Dealer or Professional Service
Technician. For questions regarding installation or warranty, call CDI Tech Support
at 866-423-4832. Do not return to the Dealer or Distributor where the part was purchased.
Contact CDI Electronics Directly for Return Material Authorization.
Read to
Blue/White (Low speed Coil)
Red/White (High speed Coil)
White (#2 Trigger)
Engine Gnd
Engine Gnd
Read to
Blue/White (Engine Gnd)
Red/White (Engine Gnd)
White/Black (or Black) (Trigger)
White/Black (or Black) (Trigger)
White/Black (or Black) (Trigger)
Engine Gnd
Engine Gnd
Engine Gnd
Read to
Blue/White (Low speed Coil)
Red/White (High speed Coil)
White (#2 Trigger)
White/Black or Black (#4 Trigger)
Engine Gnd
Engine Gnd
Engine Gnd
Engine Gnd
CDI Electronics, LLC • 353 James Record Road SW • Huntsville, AL 35824 USA
www.cdielectronics.com
Ohms
DVA (Connected)
500-700 Ω
180 V Minimum
28-32 Ω
25 V Minimum
0.8-1.4K Ω
4 V Minimum
Open
1 V Minimum
Open
1 V Minimum
Ohms
500-700 Ω
28-32 Ω
0.8-1.4K Ω
0.8-1.4K Ω
0.8-1.4K Ω
Open
Open
Open
Ohms
500-700 Ω
28-32 Ω
0.8-1.4K Ω
0.8-1.4K Ω
Open
Open
Open
Open
• Tech Support: 1-866-423-4832 • Order Parts: 1-800-467-3371
Page - 2 of 3
DVA (Disconnected)
180 V Minimum
25 V Minimum
4 V Minimum
-
-
DVA (Connected)
DVA (Disconnected)
180 V Minimum
180 V Minimum
25 V Minimum
25 V Minimum
4 V Minimum
4 V Minimum
4 V Minimum
1 V Minimum
1 V Minimum
1 V Minimum
DVA (Connected)
DVA (Disconnected)
180 V Minimum
25 V Minimum
4 V Minimum
4 V Minimum
1 V Minimum
1 V Minimum
1 V Minimum
1 V Minimum
4 V Minimum
4 V Minimum
4 V Minimum
-
-
-
180 V Minimum
25 V Minimum
4 V Minimum
4 V Minimum
-
-
-
QF-358
Advertisement
