i have this amp everything seems to be working but the relay wont engage.the diode next to the relay has 10.80v across it. what else should i be looking for?
The input and output voltage of the switching transistor should be almost identical. If there is a significant difference, short the collector and emitter to see if the relay will switch. If they are almost identical, determine why there is only 10.8v on the transistor instead of 12+v.
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