As long as the fuse is sized to protect the smallest gauge wire used in the entire circuit you will be fine. How small are the wires on the turn signal unit?

18 Gauge wire = 5 amp

16 Gauge wire = 10 amp

14 Gauge wire = 15 amp

12 Gauge wire = 20 anp

10 gauge wire = 30 amp

Hope this helps,

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
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Silver Spring, MD