Posted: 4/29/2013 12:51:37 PM EDT
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I have a 3 position toggle switch and am wondering if I have a bad switch. I bought it brand new from Napa.
Switch goes ON - OFF - ON and has three prongs. What I want to do is have it control a set of aux driving lights. When the switch is in the UP position I want the lights to come on manually. The lights are wired with a relay and have been tested fine. When the switch is in the MIDDLE position I want them to be OFF. When the switch is in the BOTTOM position I want the aux lamps to turn on with my highbeams. I took switched 12v and connected it to the middle prong on the switch. I took the relay wire for the aux lamps and connected it to the bottom prong on the switch. So when it is UP it should make contact with the bottom prong, powering my lights. I then took the highbeam headlight wire and connected it to the top prong so when the switch is DOWN it should make contact with the top prong, enabling my aux lamps to switch on automatically when I have my high beams turned on. Well the only thing I can get to work is the lights to turn on manually. They wont switch on with the high beams unless I reverse the two wires, but when I do that, the aux lamps come on with the high beams but then the lights wont switch on manually. If I apply the 12v switched wire to the switch anywhere else besides the middle prong I just blow fuses. Is my switch bad? |
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The center pole needs to go out to the lights. Bottom to constant + and top to highbeam +. That sounds right. ETA, he will have no way to just have his high beams on though. A big no-no on most public roads. Yes he will. With the switch in the middle (off) position. And treetop is correct with his wiring plan. |
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Quoted:
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The center pole needs to go out to the lights. Bottom to constant + and top to highbeam +. That sounds right. ETA, he will have no way to just have his high beams on though. A big no-no on most public roads. Yes he will. With the switch in the middle (off) position. And treetop is correct with his wiring plan. My bad. Not thinking straight. I was thinking of a single pole double throw. |
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You first need to take a multi-meter and verify what your switch is doing. After that it should be easy.
If you don't do that first, you are wasting your time. Or.... you could google a schematic of the switch and find out that way. Either way, you have to know what your switch is doing. |
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Quoted:
You first need to take a multi-meter and verify what your switch is doing. After that it should be easy. If you don't do that first, you are wasting your time. Or.... you could google a schematic of the switch and find out that way. Either way, you have to know what your switch is doing. +1 What is the model of the switch? |