Originally Posted by Petroholic
I have bosch symphony horn and roots windtone 90 in my cars.
Using them for about a year without any relay without any problem
Is a relay really required for horns ?
Stock horn is less powerfull compared to windtones,guess its around 2.5 to 3 amps,windtones are 5amps IIRC,So better to get a separate wiring done for new set of horns as the stock wiring is meant for powering stock horns rated at a lower power.