1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 326Get this manual

1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 326

ELECTRICAL Trigger Coil Testing PVL Ignition Troubleshooting (700 and 1050 Engines)

Verify spark plugs are RESISTOR TYPE! Verify spark plug caps are PVL resistor capsSee illustration 1A and explanations below
A large change in electrical current happens immediately after the spark plug fires and causes strong RFI generation

PVL is embossed on the PVL Spark Plug Caps

Start Time

Electrical current wave after spark plug firesIII1A

:-:- Without RFI suppression

-Wilh RFI suppression