Follow-up: The battery terminal diameters are too big for the battery's posts. You can tighten the terminal until it is squashed and it is still loose. It seems the best approach is to replace the OEM terminals with some aftermarket part that will tighten down on the battery posts. Those lead "caps" you can buy are too big/terminal won't reach the post etc. Seems overly kludgy to me. To get the car going, I tightened the positive after squishing it somewhat so it would get tight, then I wrapped aluminum foil inside the negative post so I could get it tight. Talk about kludgy! Reminded me of my "fix" for my old 1970 Chevy Impala 40 years ago! Weird thing. After all this, the dash lights and gauges all work as expected. Strange.

Any advice on which battery terminal connectors I could get for this car? It has the lug on the end of the battery cable, that holds the terminal on with a bolt.

 

Follow-up: The battery terminal diameters are too big for the battery's posts. You can tighten the terminal until it is squashed and it is still loose. It seems the best approach is to replace the OEM terminals with some aftermarket part that will tighten down on the battery posts. Those lead "caps" you can buy are too big/terminal won't reach the post etc. Seems overly kludgy to me.

On my 2004 Avalon, I bought some of those shims to put on the battery posts and it was still the wrong size. I got some needle nose pliers and opened up the OEM terminal and it slid all the way down to the bottom. It was only going halfway down. I didn't need the shims after all. Alternately, you can probably remove the bolt and use needle nose pliers to squeeze the two ends and make the terminal smaller. If you are talking about those aftermarket lead terminals, those are junk. I had a good result with the steel ones with the wingnut from Walmart. They are super cheap too. I would get some OEM terminals off Toyotapartsdeal if you are using lead ones and your cables are in good shape. If you need something now, go to Walmart and get the Everstart one: Robot or human? and get a terminal brush and clean your terminals really good Robot or human?. I still have the walmart one on my car. Next time I go to the junkyard I'm going to grab some parts.

 

Amazon.com: BATTERY TERMINAL | POSITIVE & NEGATIVE SET | OEM | Car Cable Connector Clamp | + - Top Post : Automotive

Shop Amazon for BATTERY TERMINAL | POSITIVE & NEGATIVE SET | OEM | Car Cable Connector Clamp | + - Top Post and find millions of items, delivered faster than ever.

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These should do, I put a similar set on my 2000 Avalon, I see several comments from Camry owners on Amazon, you could ask seller for fit net before buying

 

Lol you’re that dude from YouTube. You helped me more than a couple times.

 

I am glad I helped you! My videos are so bad (according to my teenage daughter).... they are fun to make though!