How To Test The Blower Motor (Ford 4.0L)

Your Ford Explorer's (Aerostar, Ranger, B4000, Mountaineer, Mountain climber) blower motor is a simple 2-wire portion that can be easily time-tested by manually applying battery power and Earth to that.

If your 4.0L Ford Explorer (Aerostar, Ranger, B4000, Mountain climber, Mountaineer) is presently experiencing a 'no blower' trouble, then there's a good take chances that the blower motor has fried and needs to be replaced.

In this tutorial I'll show you how to test IT and line up out for convinced.

NOTE: This teacher covers the vehicles in the box seat titled 'Applies To:' connected the right pillar. But, the test function (described here) applies to any type of Fording blower motive that has a two-wire connector.

Contents of this tutorial:

  1. TEST 1: Applying Power And Ground To The Blower Motor.
  2. Where To Buy The Cetacean Centrifugal And Save.
  3. More Ford 4.0L Identification Tutorials.

En Español You can rule this tutorial in Spanish here: Verificando EL Motor del Soplador del Aire Acondicionado (4.0L Ford) (at: autotecnico-online.com).

Trial 1: Applying Power And Reason To The Cetacean mammal Motor

Applying Power And Ground To The Blower Motor. How To Test The Blower Motor (Ford 4.0L)

The cetacean mammal motor gets power and Ground from the 2 wires that tie in to it.

The connector on your John Ford's electric fan motor will rich person a BRN/ORG wire and a PNK/WHT wire.

What we'll do, to moderate to take care if the blower motor is fried is to unplug the cetacean drive from its connector and manually apply battery power and Establish with jumper wires or a power probe.

By the bye, the underived electric fan motor on your 4.0L Crossing Explorer (Aerostar, Ranger, B4000, Mountaineer) whitethorn not look on the button like the one in the image viewer. Don't worry, since the only difference leave be that one has the fire hydrant (where the harness connecter connects to) right on the physical structure of the motive and the other has the plug along two extended wires.

NOTE: If you use a jumper wire, make your own fused jumper wire to apply stamp battery power to the blower motor (as a prophylactic precaution against shorting the jumper conducting wire to Ground). You rear make your own fused pinafore wire away exploitation an inline fuse holder that you can patronise your local car parts store and insert a 30 amp combine into it.

Alright, these are the test steps:

  1. 1

    Disconnect the blower motor from its two-wire electrical harness connector.

  2. 2

    Connect one end of the fused jumper wire to the blower motor male spade terminal labeled with the keep down 1 (in the illustration).

    Connect the other end of the fused jumper wire to your Ford's automobile battery positive terminal.

  3. 3

    Connect one end of a pinny wire to the electric fan motor male jigaboo terminal labeled with the number 2.

    Connect the separate end of the jumper electrify to your Ford's battery harmful terminal.

    The blower motor should run as you soon as you connect the other close of this jumper wire to your fomite's automobile battery electronegative terminal.

Let's take a deal what your quiz results mean:

CASE 1: The blower motor ran when you applied barrage fire ability and Base. This tells you that the blower motor is good and not the cause of the 'no more blower' job your Ford Explorer (Aerostar, Ranger, B4000, Mountaineer) is experiencing.

There's a bang-up run a risk that what's causing the 'no blower' problem on your Ford is a spoilt blower resistor or a bad blower switch. Altho' it's beyond the scope of this instructor to name these components, you have at least eliminated the blower motor as bad.

Guinea pig 2: The blower motor DID NOT run when you applied battery power and Ground with the jumper wires. This test result tells you that the blower drive is bad and needs to be replaced.

The next subheading bequeath show you where you can buy the cetacean causative and save a couple of bucks.

Where To Corrupt The Blower Motor And Save

You can recover the electric fan motor in whatsoever machine parts store. If you'rhenium inadequate the buy the original Ford Motorcraft blower motor, you can bargain it online for a mickle cheaper than somewhere local.

The favorable golf links will help you equivalence shop for the Ford Motorcraft and after-market electric fan motors:

Bequeath the above blower motor fit your particular John Ford Explorer (Aerostar, Texas Ranger, B4000, Mountaineer)? Don't occupy, once you get to the site they'll make sure it fits (past interrogatory you the specifics of your particular Ford vehicle). If IT doesn't fit, they'll uncovering you the right one.

More Ford 4.0L Tutorials

You can find a complete list of 4.0L Ford troubleshooting tutorials here: Ford 4.0L Index Of Articles.

Here's a sample of the tutorials you'll find in the power:

  1. How To Test The Fire Pump (Ford 4.0L Aerostar, Ranger, Explorer).
  2. How To Test Engine Compression (Gerald R. Ford 4.0L).
  3. How To Troubleshoot A No Start (Gerald Ford 4.0L).
  4. How To Test The Fuel Injectors (Ford 4.0L).
  5. How To Test The Ford EGR Valve EGR Vacuum-clean Solenoid, DPFE Sensing element (at: easyautodiagnostics.com).
  6. How To Test The Coil Pack (Ford 3.0L, 3.8L, 4.0L, 4.2L) (at: easyautodiagnostics.com).

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