big red one far left is a push on/off for air system LED lit
first black temporary push button is for the wold whistle
second black temporary push button is for the ooga
third red temporary push button is for the TRAIN
i can make these upon request.
you MUST use a relay with small push button switches likes these,
they can only handle 5 amps
Sean, are you saying you have to use a relay for those momentary push buttons wired to solenoid valves? I don’t think those valves draw any more than about 0.5A.