heater switch problems
Thread Starter
Junior Member
Joined: Sep 2018
Posts: 27
Likes: 2
From: Tauranga,New Zealand
Car: 89 IROC Z
Engine: 5.7ltr
Transmission: Hurst 400
heater switch problems
on my 89 iroc the top switch on the climate control/heater does nothing, i still have heat or cold comming out of the top vents and the vents down just in front of the seats,i think its the control switch ,is there a common problem ? is it a easy fix? the switch slides nicely it dosent feel as tho anything broken ,Any ideas?
Thread Starter
Junior Member
Joined: Sep 2018
Posts: 27
Likes: 2
From: Tauranga,New Zealand
Car: 89 IROC Z
Engine: 5.7ltr
Transmission: Hurst 400
Re: heater switch problems
I thought i would check out the vacuum lines and found that a number of them were split at the ends so i trimmed the ends off and replugged them in and viola i inadvertanly fixed the heater switch (sweet) didnt know the vacuum lines had anything to do with the heater switch so that was a real bonus,one happy camper i am
Supreme Member
Joined: Oct 2004
Posts: 4,528
Likes: 240
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: heater switch problems
Nice fix, you may want to get a roll of vacuum line and replace all of them.
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