C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Electrical - what's going on here?

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Old Jan 10, 2008 | 09:13 PM
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Default Electrical - what's going on here?

I was taking out the Electronic Climate Control box today.
The car is an '88 automatic. The negative battery cable was disconnected. I had to turn on the key to move the gearshift lever.

When I turned the key on, I heard a whirring sound like a motor running in the passenger seat (sport seats). I couldn't track down exactly where the noise was coming from before it stopped. It lasted about 10 or 15 seconds. The passenger seat doesn't work at all (on the to do list).

I disconnected the positive cable too and continued with what I was doing.

What could cause something to run with the neg. battery cable disconnected? Am I missing something obvoius?
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Old Jan 10, 2008 | 09:19 PM
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This is a totally wild guess but is it possible that the air bladder in the sport seat deflated and spun the motor that drives the air pump?
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Old Jan 10, 2008 | 11:48 PM
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Originally Posted by 94z07fx3
This is a totally wild guess but is it possible that the air bladder in the sport seat deflated and spun the motor that drives the air pump?
That sounds plausible considering nothing electrically could be happening.
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Old Jan 11, 2008 | 12:06 AM
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One other question? do you have an alarm system? some of the high-end alarms (for Corvettes or other premium cars) have their own batteries, that could run something for at least 15 seconds.

I hope this helps, -John

Otherwise, Good Guess!
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