Murray 425007x92B Technical Information

LAWN & GARDEN PRODUCT ELECTRICAL106S–1612ELECTRICALSYSTEMINFORMATIONFORLAWN&GARDENPRODUCT

RIDING MOWERSELECTRICALS–1612115REFERENCE NUMBERS9. PTO SWITCH1.All PTO switches (since 1987) are double pole single throw (DPST).2. The normally open

RIDING MOWERS ELECTRICAL116S–1612DIAGNOSTIC CHART 1THE VISUAL CHECKABCCRANKSNO CRANKSIF NO STARTGO TO ENGINE CRANKS /NO START SECTION1. Disengage PTO2

RIDING MOWERSELECTRICALS–1612117DIAGNOSTIC CHART 2BLOWN FUSEAINSTALL NEW FUSEGO TO GOOD FUSE / NOCRANK SECTION1. Ignition Key Switch connection2. Wiri

RIDING MOWERS ELECTRICAL118S–1612SOLENOIDENGAGES“CLICKING”DIAGNOSTIC CHART 3– Part 1 –GOOD FUSE / NO CRANKABCDEFGIH1. Disconnect Spark Plug2. Drive Sy

RIDING MOWERSELECTRICALS–1612119DIAGNOSTIC CHART 3– Part 2 –SWITCHES BADJ1. Replace Spark Plug2. Turn Key Switch to STARTRemove and Replaceas necessar

RIDING MOWERS ELECTRICAL120S–1612DIAGNOSTIC CHART 4RAIL FRAMETRACTORD1. Disconnect Engine Kill Wire or EngineKill / Fuel Solenoid Connection2. Turn K

TABLE OF CONTENTS–ELECTRICAL SCHEMATICS121S–1612ELECTRICAL WIRING SCHEMATICS2002 & PREVIOUS HARNESSESMAIN HARNESS: 250X50 122. . . . . . . . . . .

ELECTRICAL WIRING SCHEMATICS122S–161230, 38, 40” PAN FRAME 1995–2000AC/DC SYSTEMWIRING DIAGRAM FOR:MAIN HARNESS: 250X50LIGHT HARNESS: 250X409103124x30

ELECTRICAL WIRING SCHEMATICS123S–161224x30912999129924x2992377250x40910312428546, 52” GT 1995–1998OPPOSED TWINWIRING DIAGRAM FOR:MAIN HARNESS: 250X62L

ELECTRICAL WIRING SCHEMATICS124S–161224x309129924x31925562428591299250x409103146, 52” GT 1996–199818, 20 HP KOHLER; 20, 22 HP B&SWIRING DIAGRAM F

LAWN & GARDEN PRODUCTELECTRICALS–161210720 & 22” BATTERY INFORMATIONGENERAL INFORMATION (COURTESY OF HAWKER ENERGY PRODUCTS INC.)The battery u

ELECTRICAL WIRING SCHEMATICS125S–161224x2424x2424x32106424273910329103194613REAR ENGINE RIDERWITHOUT LIGHTSWIRING DIAGRAM FOR:MAIN HARNESS: 250X84SEAT

ELECTRICAL WIRING SCHEMATICS126S–161224x2424x324x249103124273 910329184694613REAR ENGINE RIDERWITH LIGHTSWIRING DIAGRAM FOR:MAIN HARNESS: 250X85SEAT S

ELECTRICAL WIRING SCHEMATICS127S–161224x3294159941369413624x31923779461338, 40, 42, 46” LT 1997–2001SINGLE CYLINDER WITHOUT AFTERFIRE SOLENOIDWIRING D

ELECTRICAL WIRING SCHEMATICS128S–161224x3294159941369413624x3192377250x9094613250X86 & 250X90 ARE AVAILABLEAS PART NUMBER 776170NOTE:42” LT 2000–2

ELECTRICAL WIRING SCHEMATICS129S–161224x329415994136 9413624x31925569461338, 40, 42, 46” LT SINGLE CYLINDER 1997–2001;42” LT V–TWIN CYLINDER 2001;

ELECTRICAL WIRING SCHEMATICS130S–161224x299103124273242732106424x30(PEDAL UP)9461338” PAN FRAME 1998–2000EXPORTWITHOUT HEADLIGHTSDC ONLYWIRING HARNESS

ELECTRICAL WIRING SCHEMATICS131S–161291846250x40(PEDAL UP)24x2924x302427324273910319461338” PAN FRAME 1998–2000EXPORTWITH HEADLIGHTSDC ONLYWIRING HARN

ELECTRICAL WIRING SCHEMATICS132S–16129237724x3124x32250x926901069413694136941599461330” REAR DISCHARGE 1999–2001EXPORTWIRING HARNESS FOR:MAIN HARNESS:

ELECTRICAL WIRING SCHEMATICS133S–161294613140114994136941599413624x3724x2424x2430” MID–ENGINE RIDER 2001DOMESTICWIRING HARNESS FOR:MAIN HARNESS: 250X

ELECTRICAL WIRING SCHEMATICS134S–161294613140114994136941599413624x3724x2424x2430” MID–ENGINE RIDER 2001EXPORTWIRING HARNESS FOR:MAIN HARNESS: 250X103

LAWN & GARDEN PRODUCT ELECTRICAL108S–161220 & 22” BATTERY INFORMATION – continuedREMOVAL/NORMAL RECHARGING1. Disconnect wiring harness. (Figu

ELECTRICAL WIRING SCHEMATICS135S–161240, 42, 46” LT RAIL FRAME2003 EXPORTWITH AFTERFIRE SOLENOIDWIRING HARNESS FOR:MAIN HARNESS: 250X112LIGHT: 250X92;

ELECTRICAL WIRING SCHEMATICS136S–161238, 40” LT RAIL FRAME2003 EXPORTWITHOUT AFTERFIRE SOLENOIDWIRING HARNESS FOR:MAIN HARNESS: 250X113LIGHT: 250X92;

ELECTRICAL WIRING SCHEMATICS137S–161230” MID–ENGINE RIDER2003 DOMESTIC & EXPORTWIRING HARNESS FOR:MAIN HARNESS: 250X11594613140114910015759415924x

ELECTRICAL WIRING SCHEMATICS138S–161238, 40” LT RAIL FRAME2003 WITHOUT AFTERFIRE SOLENOIDWIRING HARNESS FOR:MAIN HARNESS: 250X116LIGHT: 250X92; SEA

ELECTRICAL WIRING SCHEMATICS139S–161240, 42, 46” LT RAIL FRAME46” GT RAIL FRAME 2003WITH AFTERFIRE SOLENOIDWIRING HARNESS FOR:MAIN HARNESS: 250X117LIG

ELECTRICAL WIRING SCHEMATICS140S–161238” LT PAN FRAME 2003WIRING HARNESS FOR:MAIN HARNESS: 250X122LIGHT: 250X929415924x3094613250x92923772427321075242

LAWN & GARDEN PRODUCTELECTRICALS–1612109TRACTOR BATTERY INFORMATIONGENERAL INFORMATIONWARNING: Batteries produce explosivegases. Keep cigarettes,

LAWN & GARDEN PRODUCT ELECTRICAL110S–1612TRACTOR BATTERY INFORMATION – continuedBattery Charging TipsS Charge the battery if the circuit reading i

LAWN & GARDEN PRODUCTELECTRICALS–1612111TESTING THE SOLENOIDWhen the engine of a riding mower will not turn over, there are a few possible reasons

RIDING MOWERS ELECTRICAL112S–1612INTRODUCTIONThe four DIAGNOSTIC CHARTS contained in this section are intended to assist the technician in diagnosing

RIDING MOWERSELECTRICALS–1612113REFERENCE NUMBERSAt selected points in the DIAGNOSTIC CHARTS, you will be instructed to “See” a particular number. Li

RIDING MOWERS ELECTRICAL114S–1612REFERENCE NUMBERS6. BATTERY1.Make sure the ground cable of the battery is firmly attached to the frame of the riding