How to wire a tact switch? | Yahoo Answers Apr 19, 2011so if you have a tact switch, how do you wire it, because there are 4 places on the switch. where do the connections go? Like do you put 2 positives on one side and 2 negatives on the other? So basically, I need to make a strand of LEDS light up, and so I need to connect them to a switch.d you include a drawing of how this can be done?Status: OpenAnswers: 3 Use a Momentary or Tactile Switch As a Pushbutton Switch The most obvious part of the necessary components is a momentary switch. Go grab one, or two, or a handful if you're OCD and can't decide. There are lots of different kinds of momentary switches from panel switches, to PCB tactile switches, to toggle momentary switches.