After replacing the alternator on my gsr i still have no power to the car. car will start up if the you hold the key, as soon as you let it go it immediately shut off. (this was the problem before i replace the alternator. i thought the alternator was the issue because it fail the test). if anyone got any idea let me know.
SOURCE: i just replaced cylinder head and now my car wont start up
Is timing correct?
First make sure you are getting spark.
Some questions you need to know are what year head is the LS. Did you use the LS Intake manifold and throttle body. Problem is if you didnt use a OBD1 LS and it is OBD2 or OBD0 The Throttle position sensor wont allow the engine to start. Same with the Distributor, because your crank angle position sensor is in your distributor and a OBD1 ECU can communicate withe OBD0 or OBD2
If it is all OBD1 Then I would do a compression and Cyl. Leak down test.
SOURCE: alternator
Disconnect battery, disconnect altenator wire harness. Remove bolts and pull out altenator. When reinstalling new altenator, there should be an adjustable pulley called tensioner pulley that will either have to be pulled up or pushed down in order to put belt back on.
SOURCE: just replaced my drive belts and know my battery
2 ways to check it one it easy start the vehicle and wit it running un hook the battery ground cable if the engine dies ? then the alternator isnt not! working also you can due a load test with a battery load test monitor and another way is to stick a srew driver back of the alternator with the engine running if it magnitized and holds the alternator is working
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