heater switch behind passenger seat - Printable Version

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+--- Thread: heater switch behind passenger seat (/showthread.php?tid=8879)

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heater switch behind passenger seat - rvguy - 02-28-2026

There is a switch behind the passenger seat on the wall that says heater. Has a position for low or high. I presume that is for the floor aquahot heater registers ? If so mine always stays at the same speed when switched to either position. Is there a relay for this ? Or am I missing something.

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RE: heater switch behind passenger seat - pairodice - 02-28-2026

Yes a high/low fan for the AH heater afaik

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RE: heater switch behind passenger seat - Richard - 02-28-2026

no relay, just different wiring for the motor.

And it only applies to the ah register in the front.

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RE: heater switch behind passenger seat - rvguy - 03-04-2026

ok so question, speed does not change when switched between high and low, any recommendations on what to look at ? seperate fuse for hi and low speeds or ??..Thank you

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RE: heater switch behind passenger seat - Richard - 03-04-2026

Could be miswired. Someone could have used a single speed motor. Could be a loose connection.

To the best of my knowledge there was not a separate fuse for low and high.

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