I have no power lock, radio, dome light or cruis control. It flew a fuse a 20A fuse. every time i try to replace it it burns out right away. I need advise Its a 1989 trans am GTA.

 

get a wiring diragram and trace it out. u probably have a burnt or cut wire somewhere...something is going to ground....whatever u do dont just put a bigger fuse in it seek out the source of the short....there is no quick and easy way about it so get to searching have fun and good luck...

 

So it's the ctsy circuit..
Disconnect and check for a short in the cig lighter first.
Then check the wiring to the radio, interior lights, hatch release, cargo light, door locks, horn, power mirrors, clock, & power antenna.
Even if you don't have all the accessories the wiring to it may still be there.
It's all orange wires.

 

after I check the light should I check behind the fuse box. I notice that some wires have tape on them that could be the cause but the wires that are taped are blue.

 

problem solved I opened my ash tray i keep loose change in there for the tollway. I notice 2 pennies in the ciger lighter pulled them out replaced the fuse and problem fixed.

 

I have no idea about the history of your car but maybe you can look for any wire that looks 'out of place'. Maybe one that is NOT in a bundle. Maybe RED in color. The idea is that possibly someone mounted a device that needed power in the past, they tapped into an already fused circuit (the one that keeps blowing fuses for you), then later removed the device and simply cut the device's power cable and let it 'dangle' somewhere (like under the dash). Maybe you will see mounting holes with no screws as a clew that something was installed then removed. You might monitor the shorted side of the removed fuse compared to ground and reach around under the dash and shake some of the wire and watch for the short to disappear. If you see the indicator go from 'short' to 'no short' then you may be able to look more closely in that area. Hope you find the problem and let us know what you found.

UPDATE: You found the problem. That was fast. Nice work.

 

lol we see that problem at work all the time i was going to suggest that before i saw you solved the problem. congrats