[10CaravanSXT]

I have an extra RES Radio that I would like to bench test prior to selling, I bought a reverse wiring harness for the radio but it only has a 12 volt constant power source and no ignition wire. How can I hook this up to a 12 volt power source to make sure it functions properly?

 

[Oklahoma Wolf]

Don't bother - newer units like this need an active CANBUS signal to operate, and emulators are not cheap. Best way to test them is to plug them into a compatible vehicle... you'll need to find out if it's a high speed or low speed bus version, and then match it to an appropriate vehicle.

 

[10CaravanSXT]

Ok, I'll try to sell it as is, thanks!