Gahhhhhh!
 

ok I was trying to take out the alarm that was in my 280ZX & I put it all back together & my Voltmeter & my clock stop workin, the red light comes on before I start it up but I get nothing after the relay clicks into place... any thoughts??

mabe you crost a wire or pluged in some thing wrong check all the wirering that you messed with .Wigle every thing YOU TOUCH and see if it comes back on look over all the fuses and the fuse box :)