The aim of this project was to have a fully playable OutRun PCB in my lounge, without the overhead of the original controls or cabinet. As an extra requirement, I wanted to be able to swap the original control panel in if desired without any complex rewiring.
The original hardware consists of three analog controls: the accelerator, brake and steering. A perfect replacement pad appeared to be the Dreamcast controller. It contains two analog triggers, which we can map to acceleration and braking plus an analog thumbstick for the steering.
Unfortunately, the original Dreamcast pad uses hall effect sensors for the analog controls and would be unsuitable. Thankfully, many of the third party controllers aren't made to the same standard and instead use cheaper potentiometers, just like the original arcade hardware! In addition to this, there are plenty of digital buttons we can map to things like the gear change and the start button.
I plumped for a Madcatz Dreamcast pad. It's a nasty piece of work, but suitable for rewiring. I cut the original cable off, bypassing the pad's logic circuits and soldered wires directly onto the necessary components. One problem is that many of the components are connected via the pad circuity in a way that makes them unusable. For example, the buttons share a ground connection and the pots are also connected. You'll want to use a continuity tester and cut the PCB tracks between the components.
Thanks to some forum assistance, I found out that the connectors on the OutRun wiring harness are 'Amp Mate N Lok' which can be bought from Swallow Amusements. Using these connectors, I was able to create a wiring harness that would plug straight into the original OutRun wiring loom. It's possible to create your own plugs without buying an official (and expensive) crimping tool. You can simply add solder to the wire, press it into the crimping pin and hope it makes a firm connection. When it does, crush the crimping pin around the wire with some pliers. It might take some time to get it right, but you can still achieve decent results.
One other thing to note is that the OutRun 50P controller connector requires 5v to be sent to pins A24 and A25 or your controls won't work. An odd design decision on behalf of Sega it would seem. The pinouts for the ports can be found below; I've used brackets to denote pins that I didn't wire up:
AMP 50P
Pin A1 Coin Sw #2 Pin B1 Coin Sw Ground
Pin A2 Coin Sw #1 Pin B2 (Ground)
Pin A3 Pin B3 (Ground)
Pin A4 Shift Switch Pin B4 Shift Switch Ground
Pin A5 Start Sw Pin B5 Start Sw Ground
Pin A6 Service Sw Pin B6 Service & Test Ground
Pin A7 Test Sw Pin B7 (Ground)
Pin A8 Pin B8 (Ground)
Pin A9 Pin B9 (Ground)
Pin A10 Pin B10 (Ground)
Pin A11 Pin B11 (Ground)
Pin A12 Pin B12 (Ground)
Pin A13 Pin B13 (Ground)
Pin A14 Pin B14 Ground
Pin A15 Pin B15 Ground
Pin A16 Pin B16 (Ground)
Pin A17 Pin B17 (+5V)
Pin A18 Pin B18 (+5V)
Pin A19 Pin B19 (+5V)
Pin A20 Pin B20 (+5V)
Pin A21 (Start Lamp Ground) Pin B21 (Start Lamp)
Pin A22 Pin B22 (+5V)
Pin A23 Pin B23 (+5V)
Pin A24 +5V Pin B24 (+5V)
Pin A25 +5V Pin B25 (+5V)
AMP 20P
Pin A1 Accel Pot Pin B1 Steering Pot
Pin A2 Accel Pot Wiper Pin B2 Steering Pot Wiper
Pin A3 Accel Pot Pin B3 Steering Pot
Pin A4 Pin B4 Brake Pot
Pin A5 Pin B5 Brake Pot Wiper
Pin A6 Pin B6 Brake Pot
Pin A7 Pin B7
Pin A8 Pin B8
Pin A9 Pin B9
Pin A10 Pin B10
Here's a video of the final setup in action!
The original hardware consists of three analog controls: the accelerator, brake and steering. A perfect replacement pad appeared to be the Dreamcast controller. It contains two analog triggers, which we can map to acceleration and braking plus an analog thumbstick for the steering.
Unfortunately, the original Dreamcast pad uses hall effect sensors for the analog controls and would be unsuitable. Thankfully, many of the third party controllers aren't made to the same standard and instead use cheaper potentiometers, just like the original arcade hardware! In addition to this, there are plenty of digital buttons we can map to things like the gear change and the start button.
I plumped for a Madcatz Dreamcast pad. It's a nasty piece of work, but suitable for rewiring. I cut the original cable off, bypassing the pad's logic circuits and soldered wires directly onto the necessary components. One problem is that many of the components are connected via the pad circuity in a way that makes them unusable. For example, the buttons share a ground connection and the pots are also connected. You'll want to use a continuity tester and cut the PCB tracks between the components.
Thanks to some forum assistance, I found out that the connectors on the OutRun wiring harness are 'Amp Mate N Lok' which can be bought from Swallow Amusements. Using these connectors, I was able to create a wiring harness that would plug straight into the original OutRun wiring loom. It's possible to create your own plugs without buying an official (and expensive) crimping tool. You can simply add solder to the wire, press it into the crimping pin and hope it makes a firm connection. When it does, crush the crimping pin around the wire with some pliers. It might take some time to get it right, but you can still achieve decent results.
AMP 50P
Pin A1 Coin Sw #2 Pin B1 Coin Sw Ground
Pin A2 Coin Sw #1 Pin B2 (Ground)
Pin A3 Pin B3 (Ground)
Pin A4 Shift Switch Pin B4 Shift Switch Ground
Pin A5 Start Sw Pin B5 Start Sw Ground
Pin A6 Service Sw Pin B6 Service & Test Ground
Pin A7 Test Sw Pin B7 (Ground)
Pin A8 Pin B8 (Ground)
Pin A9 Pin B9 (Ground)
Pin A10 Pin B10 (Ground)
Pin A11 Pin B11 (Ground)
Pin A12 Pin B12 (Ground)
Pin A13 Pin B13 (Ground)
Pin A14 Pin B14 Ground
Pin A15 Pin B15 Ground
Pin A16 Pin B16 (Ground)
Pin A17 Pin B17 (+5V)
Pin A18 Pin B18 (+5V)
Pin A19 Pin B19 (+5V)
Pin A20 Pin B20 (+5V)
Pin A21 (Start Lamp Ground) Pin B21 (Start Lamp)
Pin A22 Pin B22 (+5V)
Pin A23 Pin B23 (+5V)
Pin A24 +5V Pin B24 (+5V)
Pin A25 +5V Pin B25 (+5V)
AMP 20P
Pin A1 Accel Pot Pin B1 Steering Pot
Pin A2 Accel Pot Wiper Pin B2 Steering Pot Wiper
Pin A3 Accel Pot Pin B3 Steering Pot
Pin A4 Pin B4 Brake Pot
Pin A5 Pin B5 Brake Pot Wiper
Pin A6 Pin B6 Brake Pot
Pin A7 Pin B7
Pin A8 Pin B8
Pin A9 Pin B9
Pin A10 Pin B10
Here's a video of the final setup in action!
