Ironman Stewart's Super Off Road Racing Pinouts:
Manufacturer: Leland
Year: 1989
By: Kevin Eshbach

Connector P1 (Video)

Use Molex 10 Pin 0.156" Header

|-----|------------------|
| Pin | Definition       |
|-----|------------------|
| 1   | Ground           |
| 2   | Video Blue (+)   |
| 3   | Ground           |
| 4   | Video Green (+)  |
| 5   | (Key)            |
| 6   | Video Red (+)    |
| 7   | Ground           |
| 8   | Vidoe Vert. Sync |
| 9   | Video Horz. Sync |
| 10  | N/C *            |
|-----|------------------|

* Marked with a small dot



Connector P2 (Audio)

Use Molex 2 Pin 0.156" Header

|-----|-----------------|
| Pin | Definition      |
|-----|-----------------|
| 1   | Speaker (+) **  |
| 2   | Speaker (-) *   |
|-----|-----------------|

*  Marked with a small dot
** Wired to potentiometer before going to the speaker



Connector P3 (Connected to J7 for Power)

Use Molex 10 Pin 0.156" Header

|-----|------------|
| Pin | Definition |
|-----|------------|
| 1   | +12VDC     |
| 2   | N/C        |
| 3   | Ground     |
| 4   | Ground     |
| 5   | Ground     |
| 6   | Ground     |
| 7   | N/C        |
| 8   | +5VDC      |
| 9   | +5VDC      |
| 10  | +5VDC *    |
|-----|------------|

* Marked with a small dot



Connector P4 (Coins)

Use Molex 10 Pin 0.156" Header

|-----|-------------------------------------|
| Pin | Definition                          |
|-----|-------------------------------------|
| 1   | N/C                                 |
| 2   | N/C                                 |
| 3   | N/C                                 |
| 4   | Coin 1 (Left slot, Red Player)      |
| 5   | Service                             |
| 6   | Coin 3 (Right slot, Blue Player)    |
| 7   | Coin 2 (Center slot, Yellow Player) |
| 8   | Left QB Start                       |
| 9   | Ground                              |
| 10  | (+5VDC) *                           |
|-----|-------------------------------------|

* Marked with a small dot



Connector P5 (Nitro Buttons)

Use Molex 10 Pin 0.156" Header

|-----|----------------------------------|
| Pin | Definition                       |
|-----|----------------------------------|
| 1   | Red Nitro Button (Left Player)   |
| 2   | N/C                              |
| 3   | Yellow Button (Center Player)    |
| 4   | N/C                              |
| 5   | N/C                              |
| 6   | Blue Nitro Button (Right Player) |
| 7   | N/C                              |
| 8   | N/C                              |
| 9   | Ground                           |
| 10  | N/C *                            |
|-----|----------------------------------|

* Marked with a small dot



Connector P6

Use Molex 10 Pin 0.156" Header

|-----|------------|
| Pin | Definition |
|-----|------------|
| 1   | N/C        |
| 2   | N/C        |
| 3   | N/C        |
| 4   | N/C        |
| 5   | N/C        |
| 6   | N/C        |
| 7   | N/C        |
| 8   | N/C        |
| 9   | Ground     |
| 10  | N/C *      |
|-----|------------|

* Marked with a small dot



Connector J3

Use Molex 10 Pin 0.156" Header

|-----|------------|
| Pin | Definition |
|-----|------------|
| 1   | N/C        |
| 2   | N/C        |
| 3   | N/C        |
| 4   | N/C        |
| 5   | N/C        |
| 6   | N/C        |
| 7   | N/C        |
| 8   | N/C        |
| 9   | N/C        |
| 10  | N/C        |
|-----|------------|



Connector J4

Use Molex 10 Pin 0.156" Header

|-----|------------|
| Pin | Definition |
|-----|------------|
| 1   | N/C        |
| 2   | N/C        |
| 3   | N/C        |
| 4   | N/C        |
| 5   | N/C        |
| 6   | N/C        |
| 7   | N/C        |
| 8   | N/C        |
| 9   | N/C        |
| 10  | N/C        |
|-----|------------|



Connector J5 (Pedals)

Use Molex 12 Pin 0.156" Header

|-----|-----------------------------------|
| Pin | Definition                        |
|-----|-----------------------------------|
| 1   | Ground *                          |
| 2   | N/C                               |
| 3   | N/C                               |
| 4   | N/C                               |
| 5   | N/C                               |
| 6   | N/C                               |
| 7   | N/C                               |
| 8   | Blue Foot Pedal (Right Player)    |
| 9   | Yellow Foot Pedal (Center Player) |
| 10  | Red Foot Pedal (Left Player)      |
| 11  | +12VDC                            |
| 12  | Ground                            |
|-----|-----------------------------------|

* Next to the label J5



Connector J6 (Steering Wheels)

Use Molex 10 Pin 0.156" Header

|-----|-----------------|
| Pin | Definition      |
|-----|-----------------|
| 1   | N/C *           |
| 2   | N/C             |
| 3   | Yellow Steering |
| 4   | Yellow Steering |
| 5   | Blue Steering   |
| 6   | Blue Steering   |
| 7   | Red Steering    |
| 8   | Red Steering    |
| 9   | Ground          |
| 10  | +5VDC           |
|-----|-----------------|

* Next to the label J6



Connector J7 (Connected to P3 to supply power to the bottom board)

Use Molex 10 Pin 0.156" Header

|-----|------------|
| Pin | Definition |
|-----|------------|
| 1   | +12VDC *   |
| 2   | N/C        |
| 3   | Ground     |
| 4   | Ground     |
| 5   | Ground     |
| 6   | Ground     |
| 7   | N/C        |
| 8   | +5VDC      |
| 9   | +5VDC      |
| 10  | +5VDC      |
|-----|------------|

* Next to the label J7



Connector J8 (Power)

Use Molex 10 Pin 0.156" Header

|-----|------------|
| Pin | Definition |
|-----|------------|
| 1   | +5VDC      |
| 2   | +5VDC      |
| 3   | +5VDC      |
| 4   | (Key)      |
| 5   | Ground     |
| 6   | Ground     |
| 7   | Ground     |
| 8   | Ground     |
| 9   | N/C        |
| 10  | +12VDC     |
|-----|------------|