Hi i have a 1997 grandprix 3.8 supercharge.my problem is that i have a short.i check all the fuses they all ok.i disconet the negative fron the battery and put a tester and the light stay on.i pull out fuses and the lihgt stays on exsep the the main fuse
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This instruccions are for supercharged and non supercharged engines, if your engine is not supercharged disgreggard steps 4 and 8
To replace the alternator, remove or disconnect the following:
1 Negative battery cable2. Air intake assembly3. Cooling fan assembly4. Supercharger drive belt, if equipped5. Accessory drive belt6. Alternator air intake ducting7. Alternator wiring connectors8. Supercharger water pump, if equipped9. Alternator
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Tell somebody to rev the motor and check where the problem is from, otherwise remove serpentine belt, if it's a supercharged model remove supercharged belt before, and remove the accessories belt ! tell him to start the motor a short time to see it the knock sound is there or not, if not check each pulley if there's any loose or strange noise while turning them !
Possible battery drain.
Remove the negative battery cable from its post and connect an ammeter red probe to the negative battery post and the black probe to the negative battery cable. Now start pulling fuses until the voltage on the meter returns to normal. (anything above a half of a volt is too high) The fuse you pulled to get this result is the affected circuit. Now you have to probe it from its B+ source to the load to find the short. Check all connectors for rust and the line for opens or shorting to ground. Repair accordingly.
1.- remove the hhod and hood hinge
2.- loosen the wheel lug nuts , raise the vehicle and securely support on jackstands, apply parking brake .remove the fron wheel.
3.-Disconet the antenna( fender only)
4.- Remove fender mounting bolts at fron close to the turn signal.
5.-remove the top view bolts at the engine comparment.
6.-Detach the fender is a good idea to have an assistant to prevent damage to the parts of the body
7.- Installation is the reverse of removal.
Superchargers are very cool stuff, but they are very expensive to buy, difficult to maintain and if the engine is not in top notch condition and specially prepared for the extra cylinder pressures likely you will blow it up shortly after installing it. I used to build blown fuel engines and know what goes into them, and what happens to them (even the most expensive and best prepared have short lives.) Granted a street unit wont make the boost I'm familiar with but the result is the same. So, even if you can find a kit somewhere, be prepared to own a pile of scrap metal shortly thereafter...