I have some voltage drop between the battery positive and the alternator. I'm planning to solve it by replacing the wire. I would like to build my own cable and upsize the wire for future accessories. I didn't find any shorts when inspecting the wire.
- Should I use fusible link or fuses?
- If I use a fuse, how do I size it? Its currently a fusible link, I don't see anything in the manual about what size fuses are required for those circuits. I could approximate with a wire guage chart, but I'd rather not make any assumptions.
- If I use fusible link, is my math correct here: The B+ to Alternator circuit needs 10GA fusible link.
The OEM used fusible links, but if I understand correctly the industry has moved to fuses over fusible links.
The service manual says the fusible links should be 4 wire sizes smaller than the wire it protects. It seems fairly straight forward what size and length of fusible link is needed.
B+ to Alternator: 6GA (listed as 13mm² in the service manual)
B+ to Underhood Fuse Box: 4GA (listed as 19mm² in the service manual)