Just done a quick test on the radio wires & found that the yellow +red stripe (ignition on) positive wire shows no current whilst ignition on? Previously i had developed a fault with interior lights & c/locking not working & the radio would not power up sometimes. After removing the radio, i found that the permanent live wire was not sheilded correctly showing bare wire. This must have been the cause for the fuse to blow(15amp eng bay f/box) Replaced the fuse, c/l, interior lights back to normal. But the ign pos wire still no current? I need help to find out this wire is showing no current as now ive developed a fault with my alarm.

 

Double check ALL your fuses, also check for no more bare cables.