You don't have to remove anything. Just use the voltmeter on the battery terminals. Check with the engine running, and check with engine not running. Should be higher while running, and around 14 volts.

No, the dash light doesn't come on.

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Rick Miley
2014 Tesla Model S
2018 Tesla Model 3
2017 Nissan LEAF
Former MB: 99 E300, 86 190E 2.3, 87 300E, 80 240D, 82 204D Euro
Chain Elongation References