Headlights flickering problem???

[adsm08]

Unplug the MFS and inspect the plug for swelling, melting, etc. I have seen a few of those plugs melt down. If you find that consider moving the headlights to a relay system.

 

[Bird76Mojo]

 

[bf750]

you need a new multifunction switch.that fixed my 88

 

[sussman00]

Check this video, this worked for my '88.