electric fan help please !

i have a radio shack auto relay

coil voltage 12v
pull in volt 6v
coil rest 66 ohms
normal current 160ma
drop out 3.6v
SPST 30a at 12 vdc

is this any good ?
Use Tyco relays (formerly Bosch) and avoid the cheap look-alike imitations.
I wouldn't mess around with anything else.
You can find them for about $7 on eBay. Not bad for quality stuff.
If you also get the sockets, you won't have to put F-type connectors on the wires. 8)