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Battery Tender?

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Old Sep 14, 2019 | 12:37 PM
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Default Battery Tender?

This is going to probably confirm my lack of knowledge about the charging system, but,,,, it's coming up on storage time.
Will attaching the tender to the B+ of the alternator and the ground to the housing or another ground maintain the battery as well as attaching directly to the battery?
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Old Sep 14, 2019 | 01:04 PM
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Yes, the tender works perfect hooked up that way.
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Old Sep 14, 2019 | 01:08 PM
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Seems like it should work...however I see something on the schematic for my 68 in the B+ path that I am not sure what it is (see attachment). Perhaps just a connector? Let's see what the experts say.

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Old Sep 14, 2019 | 06:59 PM
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I clip mine (+) to the horn relay but the hot post on the alternator should do just fine. I've used a header bolt or alternator bolt for the negative.
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Old Sep 15, 2019 | 07:34 AM
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Originally Posted by Redvette2
Seems like it should work...however I see something on the schematic for my 68 in the B+ path that I am not sure what it is (see attachment). Perhaps just a connector? Let's see what the experts say.

Redvette2
Thats the horn relay buss bar. Its a junction plate on the side of the relay. I cant post pics currently
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Old Sep 15, 2019 | 08:58 AM
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I made a 2 wire jumper harness from the starter B+ and ground with a 2 pin connector. I route this harness out through the fender vents with the connector hanging out and plug the tender there. When it comes time to go for a ride, unplug the connector and tuck the harness inside the fender. I don't like the idea of the charger cables laying on the fender for months at a time under the cover.
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Old Sep 17, 2019 | 02:33 PM
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When I am not planning to drive the car for more than a couple of weeks, I disconnect the negative side of the battery, then connect the tender. If you can, its a good idea to start the car regularly, at least a couple of times a month. Happy wintering!
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Old Sep 17, 2019 | 02:51 PM
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Originally Posted by 3X2
I made a 2 wire jumper harness from the starter B+ and ground with a 2 pin connector. I route this harness out through the fender vents with the connector hanging out and plug the tender there. When it comes time to go for a ride, unplug the connector and tuck the harness inside the fender. I don't like the idea of the charger cables laying on the fender for months at a time under the cover.

thats a pretty good idea. I've been looking for somewhere that I could "mount" a battery tender quick connect and have easy access to
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Old Sep 17, 2019 | 02:56 PM
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Originally Posted by 1969RAY
If you can, its a good idea to start the car regularly, at least a couple of times a month. Happy wintering!
That's a really bad idea unless you drive the car and bring all the fluids up to operating temperature to burn off any moisture. It's much better to just add some fuel stabilizer, fill the tank to reduce condensation, change the oil to remove any contaminates, hook the car up to a battery tender, cover the car and forget about it for the next six months.

YMMV
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Old Sep 18, 2019 | 01:18 PM
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Well, I'm tempted to just let this go by but I'm going to clear up my comments-I would agree that a drive is the best but the car is in storage--it won't be driven until next spring. And I would always expect that starting and running the motor would done until it reached operating temperature. I do this to keep the engine components coated with oil. The differential and transmission, filled with 90 weight are far less affected by cold storage. So, fill your tank, start, and run your motor to temperature when you can--or don't--its your car.
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