I do have some protocol info. I will e-mail it to support address.

Thank You

Just wondering if the Nissan Consult I data scanner is compatible with the dl1. Its the early model Nissan 14 pin connector from the ecu converted to serial cable. It's usually read by Nissan Data Scan software for PCs. Would love to just connect the serial cable directly to to the dl1.

OK. New development. The SAFC RPM and the DL1 RPM wires were connected to the ECU RPM signal. Stock dash tach and SAFC tach were not working. I removed the DL1 wire from the ECU RPM signal and now both the stock dash tach and the SAFC tach are working. Then I tried to data log and both AFR and Throt...

Im getting some strange readings on the DL1. I have the throttle input from the ECU throttle position sensor and I have the AFR input from the AEM wideband gauge. Both which are 5V max. Both have been working fine til the last track day. I lost RPM signal and stock instrument panel went dead. It ble...

If Im using a 12V square wave tach signal do I connect it to the high level spark ground input of the DL1?

Can the VD4 converter only convert hi def video to 720x526? Are there any plans to make it more HD compatible?