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Old 03-29-2022, 10:04 PM #16
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Quote:
Originally Posted by Humble Leader View Post
have you had any issues with the AGM keeping a charge? I know the stock alternator isn't ideal for charging AGMs and some have had issues with batteries dieing. do you use a trickle charger? I'd like the high CCA for the winters but hear both good and bad things about AGMs in the 4runner


I did the GM diode fuse replacement "mod" to increase voltage from the alternator and have zero issues keeping a fully charged battery. Having said that, I also installed a small 5amp battery charger in my engine bay with an external plug, which I will occasionally plug in to ensure my battery is 100% charged before an off road trip.

The diode cost me around $5 CAD from a GM dealer, took about 10 minutes to file down to proper size and has been working perfectly for nearly a year already.

The charging setup cost me a little bit more, but its a super convenient way to quickly plug my battery into a charger without even having to unlock the 4runner or pop the hood.
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Old 03-30-2022, 09:04 AM #17
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Quote:
Originally Posted by T4R_Canuck View Post
I did the GM diode fuse replacement "mod" to increase voltage from the alternator and have zero issues keeping a fully charged battery. Having said that, I also installed a small 5amp battery charger in my engine bay with an external plug, which I will occasionally plug in to ensure my battery is 100% charged before an off road trip.

The diode cost me around $5 CAD from a GM dealer, took about 10 minutes to file down to proper size and has been working perfectly for nearly a year already.

The charging setup cost me a little bit more, but its a super convenient way to quickly plug my battery into a charger without even having to unlock the 4runner or pop the hood.
I've heard of that mod. I'm going to take another look at it. thanks
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Old 03-30-2022, 11:19 AM #18
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