85 engine electrical.pdf - Vintage Snow

ENGINE ELECTRICALIgnition System TestingIgnition system components can be individually tested by measuring their internal resistance and insulation toground. These checks must be done with a digital volt/ohm meter. Compare the readings obtained to the valueslisted on the chart. Actual values may vary up to ± 10% between like components. Any readings outside the spanshould be considered questionable.NOTE: The stator coils can be checked without removing them from the engine. Simply disconnect the connectorplug in the stator-to-COI wire and check the resistance values between the wire colors listed below. Consult thestator schematics shown on the next pages.* Indicates a system that incorporates a white COI-to-stator ground wire. These systems will indicate continuitybetween the exciter/pulser wires and ground.EXCITER COILPULSER COILCheck Wires Value Check WiresIValueSINGLE CYLINDER MODELS BrownlWhite 123 Ohms Not Applicable1985-Current Star/Star LTto Black/RedStar Lite.TWIN CYLINDER MODELS BrownlWhite 164 Ohms Not ApplicableAll EC34-2PM (Pulseless)to Black/RedAll EC4O-PUSOPL thru 1989 BrownlWhite 164 Ohms BrownlWhite 14S0hmsAll EC44-2PM.to White to Black/RedIAll EC40PUSOPL 1990 to currentBrownlWhite 164 Ohms Not ApplicableEC4SPL (Pulseless)to Black/RedAll ECSOPM 1990 to currentAll EC44-3PM (Pulseless)/All ECSOPM thru 1989 BrownlWhite 164 Ohms BrownlWhite T 17 Ohmsto Whiteto Black/Red* Indicates a system that incorporates a white COI-to-stator ground wire. These systems will indicate continuitybetween the exciter/pulser wires and ground.cEXCITER COIL PULSER COIL CONTROL COIL TRIGGER COI LTHREE Check Value Check Value Check Value Check ValueCYLINDER Wires Wires Wires WiresMODELSAll ECS8PL-01 Black/Red 4.6 White to 100to Red Ohms White/Red OhmsAll EC60PL and Black to White 261 Red to White 20 Ohms Green to 29.4EC6SPL-01 Ohms Blue OhmsAll Black/Red to 248 Red to Green 20 Ohms White to 96 OhmsEC6SPL-02/03/0S Green Ohms White/RedAll EC7SPL-01 and Black/Red 248 Red to Green 20 White to 96 OhmsEC80PL-01 to Green Ohms Ohms White/RedThree Cylinder Models: EC58PL-01 EC60PL EC65PL EC75PL-01Secondary Ignition Coil EC65PL-01 02103/05 EC80PL-01Primary Resistance .4 Ohms .106 Ohms .4 Ohms .4 OhmsTab to Tab ± 1S% ± 1S% ± 1S% ± 1S%Secondary Resistance 4 KOhm 2KOhm 7.S K Ohm 7.S KOhmTab to Plug Wire End ± 20% ± 20% ± 20% ± 20%(Cap Removed)cSpark Plug Cap 3.7 to 6.3 3.7 to 6.3 3.7 to 6.3 3.7 to 6.3KOhm KOhm KOhm KOhmSecondary coils can also be dynamically tested with a coil power tester such as the Graham Lee Model 31 .Consult the tester operation manual for specific operating instructions.4.21 8/94 -j