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Posted

True, but VRLA, so the voltages are higher overall.

Plus, the Odyssey apparently has some specific charging parameters. Especially either regard to "trickle chargers.

Posted (edited)
On 9/18/2025 at 4:59 PM, docc said:

+1 on "Wiggle Testing." :thumbsup:

The corollary of my supposing that finding the charging fault may fix the light is: affecting the light may reveal the charging fault. :nerd:

Wiggling the key (turned on) and then the harness attachments to regulator didn't activate any dashboard lights.

I was going to open up the dash to see if there were any loose connections or corrosion inside. Any tips on how to get in there? The three 3mm hex fasteners feel like they may be stripped....

IMG_5038.jpeg

Edited by Sam P
Posted
1 hour ago, docc said:

True, but VRLA, so the voltages are higher overall.

Plus, the Odyssey apparently has some specific charging parameters. Especially either regard to "trickle chargers.

Not so much, really. Unsealed, liquid lead acid needs more float than AGM or VRLA but it's hard even to find those in 12v anymore, usually they're 6v deep cycle. 

https://batteryuniversity.com/article/bu-214-summary-table-of-lead-based-batteries

Posted
1 hour ago, Sam P said:

Wiggling the key (turned on) and then the harness attachments to regulator didn't activate any dashboard lights.

I was going to open up the dash to see if there were any loose connections or corrosion inside. Any tips on how to get in there? The three 3mm hex fasteners feel like they may be stripped....

IMG_5038.jpeg

Those screws pass through the mounting plate and thread into the plastic housing below (may have brass inserts, don't have it in hand) but you probably feel the plastic housing dropping away, which you can't see. 

  • Like 1
Posted
1 hour ago, Sam P said:

Wiggling the key (turned on) and then the harness attachments to regulator didn't activate any dashboard lights.

I was going to open up the dash to see if there were any loose connections or corrosion inside. Any tips on how to get in there? The three 3mm hex fasteners feel like they may be stripped....

IMG_5038.jpeg

find a new form of entertainment because these ain't comin' out. 

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