today I started my truck for the first time after putting a lift pump ,fuel heater delete, no fuel plate, boost elbow and new brake light switch everything was running great until I took a short drive enjoying the new foumd power and the abs and e-brake light go on and I have no brake lights they work when I turn on the lights but that's it the speedo and tach all still work any ideas?

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Also installed gauges

 

I don't know about the warning lights but probably that new switch is bad. Happens all the time with those switches

 

Ok well I. Could try the old one and see maybe if that will work

 

might wanna verify with a test light or ohms test the switch and or contunity test

 

And how might i go about this? I do have a multimeter