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Gary, ASE Certified Technician
Category: Infiniti
Satisfied Customers: 1052
Experience:  Senior Technician
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I just replaced my alternator but my car will still not stay

Customer Question

I just replaced my alternator but my car will still not stay on after I disconnect the battery to try and see if my alternator was the issue its a 2005 Infiniti g35 coupe what can be causing the problem or something that I can check for thanks
JA: Have you tested the battery? Is the battery fluid low?
Customer: It has a brand new battery including a brand new alternator
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Checking fuses relays by the diagrams I read it hasn't showed any problems with what the fuse are indicating it's also burning a coup of fuses my cluster went out my main concern at this point is why my car won't stay on if I disconnect the battery
JA: Anything else you think the mechanic should know?
Customer: That's would be all can you pleaz tell me a way I can try to fix it my self befor I seek for a mechanic
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Infiniti Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Infiniti
Expert:  Gary replied 1 year ago.

Hello there,

What is the original fault with your car?

Disconnecting the battery on any late model car while the engine is running does not prove anything, and generally causes more issues.

Have you checked the new alternator charge rate at the battery with a meter?


Expert:  Gary replied 1 year ago.

Hi again,

Do you need any further help?

I hope my advice has been of assistance to you.

Kind regards