Head unit change leading to cold heater. - Civinfo
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post #1 of 3 (permalink) Old 8th June 2017, 20:02 Thread Starter
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Head unit change leading to cold heater.

Hello. I wonder if anyone can help me.

I installed a new head unit in my 2004 1.6 Exec ep2 yesterday. Everything went seemingly well, until I drove to work the morning after, and found that I could no longer control the heat of the blower on the heating system. The fan is working fine; I can still change the fan speed etc, but it no longer wants to go warm or cold, either with the air con on or off.
Just to note, it worked fine before the head unit installation. Iím wondering if Iíve possibly dislodged something, or maybe blown a fuse? Is the Temp control a separately fused item?

Thanks in advance,

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post #2 of 3 (permalink) Old 8th June 2017, 21:34
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Not familiar with that model, but on some cars the heater control is essentially a cable that closes and opens a flap that lets in hot or cold air. Is it possible you dislodged that?
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post #3 of 3 (permalink) Old 9th June 2017, 09:54 Thread Starter
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Hello and thanks for your reply.

Sounds like a good idea.

I'll have to take it all apart again on Monday and give it a look.

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