Magfan, yes, try one of your fuses on way and then the other.
Isanchez, my Hi-Fi Tuning fuses have no direction indication or arrow but my IsoCleans do. I have found no consistent pattern of markings on the Hi-Fis to use for deciding which way to insert them.
Isanchez, my Hi-Fi Tuning fuses have no direction indication or arrow but my IsoCleans do. I have found no consistent pattern of markings on the Hi-Fis to use for deciding which way to insert them.