Chevy Silverado
Nissan Pathfinder
Heating Ventilating and Air Conditioning

What could cause a 1999 Chevy Silverado to have no heat and seems like air condioning runs all the time no matter where the temp switch is?


Top Answer
User Avatar
Wiki User
2009-10-28 00:09:09
2009-10-28 00:09:09

try checking the thermostat that is what it was in my car i got a new one and now i have to turn on my ac in the winter time that is how hot it ran in my car try that

look at the right side of the lower dash. see that the plug is secure at the bottom. came unpluged on me. pluged it back in and worked fine.

try flushing the heater core


Related Questions

How do u bypass the neutral safety switch in a 2002 chevy silverado 1500

NO, They were not used on chevy trucks.

There is no inertia switch on the Chevy truck it runs from the ecm , oil pressure switch and relay.

there is a switch on the lever on the trans on the driver side

what does it mean if my brake light is blinking on and off when its pushed down in my 1999 Chevy silverado

how do you replace3 dimmer switch 1987 chevy silverado 4 x 4

Chevy did not use a inertia switch, Only FORD. You need to check the fuel pump relay and fuse.

Chevy did not use a inertia switch. Only ford did. Need to check fuel pump relay and fuse.

The 1989 Chevy Silverado pickup truck window wiper relay switch can be found on the firewall in the engine compartment. The relay switch will be on the passenger side of the firewall.

The relays are integrated into the switch itself.

There is no fuel shut-off switch on GM vehicles.

Change blower fan control switch in the dash

The 2003 Chevrolet Silverado turn signal switch is located below the dashboard, on the drivers side of the passenger compartment. The turn signal switch simply plugs in and out.

Relay, yes. Reset switch, no.Relay, yes. Reset switch, no.

Right behind the distributor and it is tough to get to.

Ford is the only one that had the Inertia switch. Chevy did not use them. You need to check fuel pump relay and fuel pump fuse.

Chevy trucks DO NOT HAVE a safety switch / Inerita switch. You need to check the fuel pump relay and fuse first. You may just have a bad fuel pump.

rent a puller from auto zone!!! not hard at all!

Chevrolet does not use inertia/reset swtiches.

I have a 1999 Chevy silverado ls which has automatic dusk to dawn head lights how do you turn them off as the on off switch only works in the daylight

be more specific the break sensor?parking break light?

go to eBay and buy a whole setup for the steering column

on the top side of the steering column under the dash

Copyright ยฉ 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.