Wow that's awesome! Some nice info I'm sure it's useful also for the other 79-86 mustangs? The 87-93 cars used a different switch but still didn't add that relay...
Fortunately, a lot of automotive switches can be dismantled and more than likely are repairable. Finding an OEM style replacement can prove difficult since used ones probably are burnt out or gummed up anyways.The 87-93 cars used a different switch but still didn't add that relay...