John Deere 318 - Manual (Page 309)

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
15
7