oddly enough, the harness connectors that everyone cuts off has the same spacing as the micro relays. check out my L96 and other harness vids to see how they look/work. vid link is below and in my sig block. cost is zero. far as a fuse block, I use the ATO 6 fuse block off flea bay.
https://youtu.be/KiZN0sa9w6s
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Current project 1959 Willys = GEZR TRUK
Geezer is a Latin compound word made up of two roots.
Gee meaning Urine Stain and Zer meaning your pants are open!
FMCDH GBU and GBA
http://www.youtube.com/user/aknovaman/videos