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Subaru seat heaters-good or bad?
Posted 29 October 2003 - 11:50 AM
The dealer says that they check out okay.
Do all Subaru seat heaters suck????
Posted 29 October 2003 - 12:34 PM
However, the way that they are wired is problematic:
- The toggle switches that operate the seat heaters are just that, simple switches. Once switched on, they stay on for ever. Even if accidently switched on by an errant elbow, they stay on. Even if the car is parked overnight, and then restarted, the switches are still on.
- The seat-heaters work on both the IGN and ACC ignition-switch circuits. That means that if you stop for a while (e.g. waiting for a ferry), with the engine off but the ignition set to ACC (to listen to the radio), then the seat-heaters are still on, and will drain the battery in time.
A better wiring arrangement would be to control the seat-heaters by means of a timer-switch (similar to the timer-switch used on the rear-window defogger). When timed-out (say after 10 minutes), the circuit would switch off, and would not re-energise until the switch is reactivated. That way, one couldn't forget about the heaters being on, nor would it matter if they were accidently switched-on, or left on from the day before.
Subaru, are you listening?
Posted 29 October 2003 - 12:42 PM
Posted 29 October 2003 - 02:30 PM
No reason Subaru could not do this.
Posted 29 October 2003 - 05:25 PM
they are wired in a series and parallel arrangement. when they are switched on hi, they are in parallel, with each element getting 12V. when switched to low, 12V is applied across the two elements in series, passing approximately half the current through each. in my car, forward is hi, and back is low (low doesn't work because the one element is open). i've been meaning to switch the seat element out of the passenger's seat... i usually drive alone...
Posted 29 October 2003 - 05:36 PM
It seems pretty wimpy to be considering them around here.
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