How To Test The Blower Motor (1997-1999 Dakota, Durango)

TEST 2: Applying Power And Ground To The Blower Motor

In this test section, we're gonna' apply battery power (12 Volts) and Ground to the blower motor and see if it runs.

If it runs, and it's amperage draw is below 40 amps, then you can conclude that it's not defective.

If it runs, but runs with a lot of bearing noise then you can conclude that it needs to be replaced. If it doesn't run at all, well you now know it's defective beyond a shadow of a doubt.

NOTE: You'll be applying power and Ground to the blower motor's connector. This connector has male spade terminals.

Let's get started:

1. 1

   Disconnect the blower motor from its electrical connector.

2. 2

   Apply battery power to the blower motor. You'll be applying power to the connector of the blower motor itself.

3. 3

   Apply chasis Ground to the blower motor. You'll be applying Ground to the connector of the blower motor itself.

4. 4

   The blower motor should run.

Let's take a look at your test results:

CASE 1: The blower motor ran and ran without any bearing noise. This is the correct test result. You can conclude that your Dodge Dakota's blower motor is not defective.

CASE 2: The blower motor ran with a lot of bearing noise. This test result tells you that the blower motor is defective and needs to be replaced.

CASE 3: The blower motor did not run. This test result tells you that the blower motor is defective and needs to be replaced.

Where To Buy The Blower Motor

The blower motor on the 1997-1999 Dodge Dakota isn't an expensive part. The following links will help you comparison shop and save a few bucks: