I had an unfortunate time driving in the night rain with the headlight being so dim and the instrument panel flickering. An accident waiting to happen. Well did some research and found out that halogen lights and modern stereo's eat up too much amp out of the stock 65amp alternator. I'm not going to write up a how too: but give you the places to buy these items for cheap vs. using Powermaster alternator kit and Scot Drake relay kit.
Instead of Powermaster 130amp alternator for $250- use this $89 free shipping for your alternator:
eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices
Get the 30" 6G cable and ends at Walmart for under $10.
Order the Mega fuse housing and 150amp fuse at O'Reilly for $18.
Scott Drake relay kit is $120- use this one for $30 w/ shipping:
eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices
The installation is really simple and it's everywhere on the web. My '67 Falcon is has a much brighter headlight and instrument panel. No more flickering when I bump the stereo and 10" sub box. Hope it helps someone.
Here's the headlight:

Instead of Powermaster 130amp alternator for $250- use this $89 free shipping for your alternator:
eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices
Get the 30" 6G cable and ends at Walmart for under $10.
Order the Mega fuse housing and 150amp fuse at O'Reilly for $18.
Scott Drake relay kit is $120- use this one for $30 w/ shipping:
eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices
The installation is really simple and it's everywhere on the web. My '67 Falcon is has a much brighter headlight and instrument panel. No more flickering when I bump the stereo and 10" sub box. Hope it helps someone.
Here's the headlight:
