Punto (Mk2/2b) Why Doesn't my new aftermarket stereo doesn't work

Check fuses
A - on back of the stereo
B - The Cars fuse box for the stereo - get the manual out
C - Check your fuses for the piggyback holder and check both are okay
D - Check you've got 12v permanent feed (test light or multimeter required here)
E - Check the ignition or switched feed is giving 12v when the ignition is on
F - Check connections, So start from the fuses, working back up to the stereo fittings
G - Still not working - Get posting! Not on this guide, but on the Punto mk2/b section