cerberus79
You could also try one of these 5A circuit breakers if your worried about no fuse protection, on your MG 3.7i’s instead of the fuse, with a bit of luck the lug spacing could also be soldered to the outside of the 3AG fuse clamp.
https://www.jaycar.com.au/5-amp-circuit-breaker/p/SF2254
Cheers George