COMPUTER DATA LINES – GMC Forward Control P3500 1994 – SYSTEM WIRING DIAGRAMS

COMPUTER DATA LINES

4.3L

4.3L (VIN Z), Data Link Connector Wiring Diagram, Commercial Chassis with A/T for GMC Forward Control P3500 1994

List of elements for 4.3L (VIN Z), Data Link Connector Wiring Diagram, Commercial Chassis with A/T for GMC Forward Control P3500 1994:

• (4.3l)
• (5.7l & 7.4l)
• (behind left side of shipping panel)
• (front of engine)
• A14 diagnostic test c250
• C201
• Data link connector
• F9 serial data c251
• G125
• Powertrain control module (behind left side of shipping panel)

4.3L (VIN Z), Data Link Connector Wiring Diagram, Commercial Chassis with M/T for GMC Forward Control P3500 1994

List of elements for 4.3L (VIN Z), Data Link Connector Wiring Diagram, Commercial Chassis with M/T for GMC Forward Control P3500 1994:

• (behind left side of shipping panel)
• (front of engine)
• A8 serial data
• A9 diagnostic test c251
• C201
• Data link connector
• G125
• Powertrain control module (behind left side of shipping panel)

4.3L (VIN Z), Data Link Connector Wiring Diagram, Cutaway for GMC Forward Control P3500 1994

List of elements for 4.3L (VIN Z), Data Link Connector Wiring Diagram, Cutaway for GMC Forward Control P3500 1994:

• (behind left side of i/p, below steering column)
• (top right front of engine)
• A14 diagnostic test c303
• C224
• Data link connector
• F9 serial data c304
• G119
• Powertrain control module (mounted under driver's seat)

5.7L

5.7L (VIN K), Data Link Connector Wiring Diagram, Commercial Chassis with A/T for GMC Forward Control P3500 1994

List of elements for 5.7L (VIN K), Data Link Connector Wiring Diagram, Commercial Chassis with A/T for GMC Forward Control P3500 1994:

• (4.3l)
• (5.7l & 7.4l)
• (behind left side of shipping panel)
• (front of engine)
• A14 diagnostic test c250
• C201
• Data link connector
• F9 serial data c251
• G125
• Powertrain control module (behind left side of shipping panel)

5.7L (VIN K), Data Link Connector Wiring Diagram, Commercial Chassis with M/T for GMC Forward Control P3500 1994

List of elements for 5.7L (VIN K), Data Link Connector Wiring Diagram, Commercial Chassis with M/T for GMC Forward Control P3500 1994:

• (behind left side of shipping panel)
• (front of engine)
• A8 serial data
• A9 diagnostic test c251
• C201
• Data link connector
• G125
• Powertrain control module (behind left side of shipping panel)

5.7L (VIN K), Data Link Connector Wiring Diagram, Cutaway for GMC Forward Control P3500 1994

List of elements for 5.7L (VIN K), Data Link Connector Wiring Diagram, Cutaway for GMC Forward Control P3500 1994:

• (behind left side of i/p, below steering column)
• (top right front of engine)
• A14 diagnostic test c303
• C224
• Data link connector
• F9 serial data c304
• G119
• Powertrain control module (mounted under driver's seat)

6.5L

6.5L (VIN F), Data Link Connector Wiring Diagram, Commercial Chassis for GMC Forward Control P3500 1994

List of elements for 6.5L (VIN F), Data Link Connector Wiring Diagram, Commercial Chassis for GMC Forward Control P3500 1994:

• (behind left side of shipping panel)
• (top center front of engine)
• A8 diagnostic test c253
• B10 serial data
• C201
• Data link connector
• G125
• Transmission control module (behind left side of shipping panel)

6.5L (VIN Y), Data Link Connector Wiring Diagram, Commercial Chassis for GMC Forward Control P3500 1994

List of elements for 6.5L (VIN Y), Data Link Connector Wiring Diagram, Commercial Chassis for GMC Forward Control P3500 1994:

• (behind left side of shipping panel)
• (top center front of engine)
• A8 diagnostic test c253
• B10 serial data
• C201
• Data link connector
• G125
• Transmission control module (behind left side of shipping panel)

7.4L

7.4L (VIN N), Data Link Connector Wiring Diagram, Commercial Chassis for GMC Forward Control P3500 1994

List of elements for 7.4L (VIN N), Data Link Connector Wiring Diagram, Commercial Chassis for GMC Forward Control P3500 1994:

• (4.3l)
• (5.7l & 7.4l)
• (behind left side of shipping panel)
• (front of engine)
• A14 diagnostic test c250
• C201
• Data link connector
• F9 serial data c251
• G125
• Powertrain control module (behind left side of shipping panel)

7.4L (VIN N), Data Link Connector Wiring Diagram, Cutaway for GMC Forward Control P3500 1994

List of elements for 7.4L (VIN N), Data Link Connector Wiring Diagram, Cutaway for GMC Forward Control P3500 1994:

• (behind left side of i/p, below steering column)
• (top right front of engine)
• A14 diagnostic test c303
• C224
• Data link connector
• F9 serial data c304
• G119
• Powertrain control module (mounted under driver's seat)

7.4L (VIN N), Data Link Connector Wiring Diagram, Motorhome Chassis for GMC Forward Control P3500 1994

List of elements for 7.4L (VIN N), Data Link Connector Wiring Diagram, Motorhome Chassis for GMC Forward Control P3500 1994:

• (inside center of shipping panel)
• (top right front of engine)
• A14 diagnostic test c250
• C204
• Data link connector
• F9 serial data c251
• G125
• Powertrain control module (inside left side of shipping panel)