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Doug
Doug, ASE Certified Technician
Category: Mitsubishi
Satisfied Customers: 8538
Experience:  Mitsubishi employed and Factory trained ASE certified technician
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PEASE. I REPLACED THE ALTERNATER AFTER BATTERY WARNING LIGHT

Customer Question

PEASE. I REPLACED THE ALTERNATER AFTER BATTERY WARNING LIGHT ISUE. THE PR0BLEM WAS FIXED F0R A WHILE BUT HAS N0W RETURNED. IT APPEARS T0 BE A SHRT. THE MAIN WIRE SCRED 0NT0 THE ALTERNATER HAS PARTIALLY MELTED. THE ALTERNATER WAS NEW
Submitted: 1 year ago.
Category: Mitsubishi
Expert:  Doug replied 1 year ago.
Hi,
If you have not done so already.... replace the alternator with a genuine Mitsubishi one. Even if it means getting a used one (several of these are no longer available new from Mitsubishi unfortunately).
This era of Mitsubishi has major issues with aftermarket alternators, and that variable should be eliminated as a priority.
The alternative being an actual short on the main wire would be straight forward... that cable runs right from the battery to the alternator, there are no electronics in the middle or anything that could cause a problem. Basically... if the cable is not physically pinched or chaffing against something, then the short is inside the alternator... and this is what we frequently see on this model with certain aftermarket units.
Check the cable carefully to make sure it isn't hitting anything where it could short to ground... if it is 100% clear, get yourself a factory (or at least "different") alternator.