Hi guys, I'm after an answer from an electrical guru.
Now, what I am trying to do is to link in an external AV feed into my double DIN screen at the flicking of a switch. Dash mounted switch, not through the radio.
To keep the music on while this video feed is being displayed (HKS CAMP2) I need to fool the radio into thinking I have selected reverse, so the video I want will pop up as the 'reverse camera'
There is one wire from the radio that would go the gearbox reverse sensor, at the rear end of the gearbox next to the shifter. I don't want to touch this circuit, just make something that can replicate the signal the circuit produces when reverse is selected.
SO, how can I make a switch to fool the radio. I don't really know what signal it is expecting. It isn't like the gearbox one that is just a ground.
One other thing, TPS sensor wires. There are 3, can anyone tell me which one is which. My service manual wants to tell me there are 6 wires...
Now, what I am trying to do is to link in an external AV feed into my double DIN screen at the flicking of a switch. Dash mounted switch, not through the radio.
To keep the music on while this video feed is being displayed (HKS CAMP2) I need to fool the radio into thinking I have selected reverse, so the video I want will pop up as the 'reverse camera'
There is one wire from the radio that would go the gearbox reverse sensor, at the rear end of the gearbox next to the shifter. I don't want to touch this circuit, just make something that can replicate the signal the circuit produces when reverse is selected.
SO, how can I make a switch to fool the radio. I don't really know what signal it is expecting. It isn't like the gearbox one that is just a ground.
One other thing, TPS sensor wires. There are 3, can anyone tell me which one is which. My service manual wants to tell me there are 6 wires...