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What is sending the command to turn on the cooling system from a motor on a Chevy venture 2000?
Wiki User
∙ 13y ago
Hi,
There are two relays that are controlled by the Powertrain Control Module (PCM) that are responsible for controlling the cooling fans. The PCM will switch the relays on and off depending on certain conditions, such as engine temperature and whether or not the air conditioning compressor is turned on.
I have included a link to a site that describes the way that the cooling system works on these vans, which goes into a good amount of detail.
Good Luck, Greg
Wiki User
∙ 13y ago
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