Chevrolet Forum - Chevy Enthusiasts Forums - Ventilation "Hi" doesnt work

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Ponyriemen

June 7th, 2019 12:21 AM

Ventilation "Hi" doesnt work

Hello everybody,
my ventilation works since yesterday no longer on HI, only in the steps before. When switch to HI, the Fan is off.
Does anyone know where I could look for the problem?
Greetings

2006 GMC Savanna Exploerer Limited SE

mountainmanjoe

June 7th, 2019 1:01 AM

test/replace blower high relay

Ponyriemen

June 7th, 2019 1:11 AM

where is it installed?

mountainmanjoe

June 7th, 2019 3:48 AM

I don't know, I don't have your van. But you can check the upfitter manuals
https://www.gmupfitter.com/pages/body-builder-manuals

It won't be too far from the blower.

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