Quote:
Originally Posted by basslover911
With this, will the radio still cut off when you push the button? (It does it in mine when I use the key, but if I install a button I hope that it doesnt cut off anymore)... ??
And why two relays instead of just one?
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If it cuts out with the key it will with the button. As far as the car is concerned, it can't differentiate between the button and the key. I think most cars will cut off most accessories (lights, radio, climate control) so almost all power can be dedicated to the starter. Do you have some kind of high-power fancy car audio system?
I used two SPDT relays because they were cheaper than one DPDT relay with the appropriate current rating.