What to do if rear blower is not working?

They wired the blower motor resistors after the motor, then comes the rear speed control then ground. Check for 12v at the YE/RD wire in CJB at fuse 7, then the G200 ground. If nothing then the aux relay.

How does the rear blower work on a Ford Expedition?

Rear blower is supplied power from the function selector switch then the blower motor relay. After that its fused in the central junction box then to the aux a/c relay. It gets a little crazy after that. Yes, the front heater works fine.

Where is the fuse on the rear blower?

The rear blower has a fuse inline after the blower relay. On my 99 it is fuse 7 in the central junction box. From there it splits to the console blower and to the aux a/c relay located behind the driver side panel for the rear a/c up by the door.

Why does my a / C front blower stop working?

No matter how many times (or position) the fan speed knob is moved, the front blower motor fails to respond. A/C system can be turned off and on multiple times, but the front blower fails to respond.

Is the front blower on my win still working?

It’s been about six weeks since we replaced the WIN. To clarify, the rear blower always works. The front blower will come on and, if its going to quit, it will cycle off, back on and then off until I restart the van. It has quit at every speed-no one speed more than any other.

Where is the rear blower on a 99 Ford Expedition?

On my 99 it is fuse 7 in the central junction box. From there it splits to the console blower and to the aux a/c relay located behind the driver side panel for the rear a/c up by the door. With the ignition on acc, front selector on a/c, check for power on aux relay terminal 86 & terminal 30. Both should have 12v.

No matter how many times (or position) the fan speed knob is moved, the front blower motor fails to respond. A/C system can be turned off and on multiple times, but the front blower fails to respond.

Why does my front blower not work in my Dodge Grand Caravan?

I have been dealing with this issue for over a year. 2008 Dodge Grand Caravan. Front blowers don’t work when back ones do. AC is still cooling. Turn van off, restart and everything works again. Maybe for minutes, maybe for days or weeks. Four different mechanics and dealers have looked at the problem.

Why is my blower not working on my expedition?

Blower runs fine when hooked up to 12 volt power. No power on any wires that go into the fan speed controllers on both. Temp & position controls seem to work, I can hear stuff moving in back when I turn them. Is/are there relays somewhere that could be bad… really stumped on this one. Check the aux a/c relay.

Is the fuse on the blower motor okay?

The blower motor fuse is fine (the one on the driver side shock tower, right?). This blower motor problem has been discussed quite a few times, and you should be able to find solutions by searching these discussions. Look in the “stickies” at the top of the forum, DIY repairs. :nerd

How can I check if my blower motor is working?

You can also check for power to the blower. If you pull the drivers side front window plastic the output from the ccu is pretty accessible. If you checked the external spots then I would pull the blower and inspect that. not hard to get to the blowerunit.

Why is my rear AC not blowing at all?

The front works fine. Any thoughts are appreciated. What you can do is get a short finder so you dont have to keep replacing 30A fuses, but unplug the relay in the back for the blower motor & see if the short is before the rear HVac or inside the rear HVAC.

What causes a bad or failing blower motor relay?

Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current…

Why does my Chevy Tahoe blower not work?

unknown at this time. probe the yellow wire going to the blower and to a ground for the power circuit test at any speed for juice if you have power for the most part you likely have a broken motor. if you have no power at all including at the high setting there is still a big fuse in the under hood block and should be rated at 50 amps.

Why does my rear AC blower keep spinning?

But #36 looks like it would stop it only if the HVAC CM-Aux was the fault. If you pull #36 and it keeps spinning then it is the BMCP-Aux. The blower motor control processor controls the speed of the blower motor by increasing or decreasing the voltage drop on the ground side of the blower motor.

Why is my Chevy Suburban not blowing cold?

Blend Door – The blend door controls how much air conditioned and heated air enters the cabin. If it gets jammed or locks up, your Suburban can’t respond to your temperature change request. These are a few of the most common issues that could cause your Suburban to not blow cold enough. There are other issues that can cause this as well.

What to do if your Chevy Tahoe blower stops working?

Chevy tahoe suburban rear blower stops working. How to fix. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.

What to do if your rear blower stops working?

Chevy tahoe suburban rear blower stops working. How to fix. – YouTube Chevy tahoe suburban rear blower stops working. How to fix.

Why is my rear AC not turning off?

Today I disconnected both the front seat (near the shifter) and first rear seat controls for the rear AC. It didn’t change anything. I finally removed the fuse under the first rear seat to get it to stop blowing. Less than a year ago I replaced the front blower motor control module because the front speeds weren’t working right.