1987 Lincoln Mark VII "lights dim bass hits" Questions

...lights dim...no subs hooked up...just door speakers...i thought i had somethin hooked up wrong and i got a new cd player later anyway...so i hook the new one up and it just cuts on and off randomly ...

lights will dim whenever a strong bass note hits. As well, now pretty much all my headlights won't wrok, only the left highbeam will turn on. And my day lights will sometime come on, and sometimes

...lights dim...no subs hooked up...just door speakers...i thought i had somethin hooked up wrong and i got a new cd player later anyway...so i hook the new one up and it just cuts on and off randomly ...

...lights will dim when at night). The only way I can keep it running is by holding the brake and giving it some gas, if not it will sometimes just die. (also a family member has stated to me that it ...