User Manual

A—Time Delay IC (Internal F3—25 Amp Circuit Breaker X3—Front PTO Switch 2-Pin X24—Rear PTO Clutch 1-Pin

Circuit) G1—Battery Connector Connector (Ground)

B—Time Delay Switch M1—Starter Motor X4—Front PTO Switch 3-Pin X25—Rear PTO Lamp 1-Pin

Transistor P1—Front PTO Lamp Connector Connector (Ground)

C—Isolation Diode P2—Rear PTO Lamp X5—Rear PTO Harness 3-Pin X26—Front PTO Clutch 2-Pin

D—TDC PTO Relay Contacts (Optional) Connector Connector

E—Isolation Diode S1—Key Switch X6—Rear PTO Switch 2-Pin X27—Single Point Ground

F—Isolation Diode S2—Front PTO Switch Connector 1-Pin Connector:

G—TDC PTO Relay Coil S3—Rear PTO Switch X7—Rear PTO Switch 3-Pin 316 (S.N. 596121— )

A1—Time Delay Control (Optional) Connector 318 (S.N. 600305— )

(TDC) Module S6—Seat Switch X11—Seat Switch 2-Pin 420 (S.N. 595881— )

F1—20 Amp Fuse W1—Engine Ground Connector Y1—Front PTO Clutch

F2—2 Amp Fuse X1—Key Switch 5-Pin X22—TDC Module 2-Pin Y2—Rear PTO Clutch

(Early Machines) Connector Connector (Optional)

3 Amp Fuse X2—Key Switch 1-Pin X23—TDC Module 8-Pin

(Later Machines) Connector Connector

M77923 -19-04MAR95

MX,159024020,6 -19-16MAY95

Component Location and Operation/Theory of Operation

TM1590 (17MAY95) 240-15-7 316, 318 & 420 Lawn and Garden Tractors

020895

240