Upgrade Alternator? - Toyota Yaris Forums - Ultimate Yaris Enthusiast Site

04-25-2018, 03:54 PM

#18

B.B._07

Drives: 07 5dr

Join Date: Nov 2015

Location: YYC

Posts: 197

Quote:

Originally Posted by 07liftback

I notice the Yaris stumbling a bit when I turn on the heater (not the AC) which suggests the alternator is quite weak in the Yaris. Never had this issue on the 15 year old Civic I owned back then.

Before you go looking to swap an alternator it's best to confirm the alternator is the issue. Get an multi-meter and check if you have ~14V at the battery terminals with the car at idle.

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