have a 1990 TBI camaro ttop car with a 305 in it heres whats going on the car has no power to head lights interior lights only thing that does work is the back hatch light it dont start/crank or ne thing when i hit the key i check the ground from the batterie to the fender its ok i checked teh strap in the back of the motor and its ok the batterie is good what do i do next?

 

Fusible link.

There are some number of those, each of which feeds battery power to various major sections of the car. They act like GREAT BIG fuses, to protect the car's wiring from a short in any of the high-power circuits, where if there wasn't some sort of fuse, it would set the car on fire. Your car should have about 3 or 4 of them. Most are at the starter, they are on the end of the big red wires, they connect to the same terminal of the starter that the end of the + battery cable goes to. They usually fail because the insulation in them melts, and the conductor touches something metal.

When you find the bad one, you can either get a new link at the parts store; or just use a short piece of wire about 3 to 4 gauges smaller (bigger number) than the wire they're protecting. Since those wires in these cars are mostly 10 gauge, a 14 gauge section of wire works great. DO NOT put large wire there, you will defeat the protection, and greatly increase the risk of destroying your car.

 

1. Check batterie ground to fender [x]
2. Check ground strap to motor [x]
3.
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1. Check batterie ground to fender [x]
2. Check ground strap to motor [x]
3. replace/rewire
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ok i check the ground n its tight the motor strap is on i spliced the 2 fusable links in the front near the batterie and put wire there n taped em up still nothing now do i do the starter ones?

 

I'm not sure what this means.... doesn't sound at all like what I told you about. Doesn't sound real good either. Hacking on wiring is almost never a good idea. Repairing an identified defect is one thing; indiscrminate hacking to "rig" around something broken, is a good way to turn an otehrwise nice and reliable car into a temperamental piece of junk.

I told you about fusible links near the starter. IIRC the ones near the battery protect the alternator charging wire and and ECM or something like that. Those are not the issue. The ones I told you about are in the wires that feed battery to the various points in the car that get it; headlight switch, interior lights, ignition switch, brake lights, and so on.

As stated above, the ones you want to check hook to the starter terminal where the battery cable also goes. Look at them, and figure out which one is bad. Don't hack on anything more until you find and identify the problem; if you don't find anything wrong, just put it back like you found it without hacking. All you accomplish if you hack on the wiring is to ruin your car without accomplishing anything else.