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Forum: Tech Help

01-29-2007, 10:41 PM

Replies: 30

1995 W140 Blower Motor issues

Views: 6,319

Posted By Arthur Dalton

You know that and I know that.... but I am trying...

You know that and I know that.... but I am trying to get to the basics without getting technical on the guy.
OK??

For testing purposes, I want him to know the circuit is controlled/switched ON...

Forum: Tech Help

01-29-2007, 05:59 PM

Replies: 30

1995 W140 Blower Motor issues

Views: 6,319

Posted By Arthur Dalton

If you grounded the blu wire , you have by-passed...

If you grounded the blu wire , you have by-passed the regulator circuit and verified blower motor and positive 12v feed... It is the reg that grounds the blu wire [ neg side of the motor/ a switched...

Forum: Tech Help

01-29-2007, 04:58 AM

Replies: 30

1995 W140 Blower Motor issues

Views: 6,319

Posted By Arthur Dalton

Post 8 tells you that the CP show trigger voltage...

Post 8 tells you that the CP show trigger voltage at the CP..it does NOT tell you if there is voltage at the yellow wire at the regulator.

The test is to check right at the regulator for 12v from...

Forum: Tech Help

01-28-2007, 08:15 PM

Replies: 30

1995 W140 Blower Motor issues

Views: 6,319

Posted By Arthur Dalton

I assume you mean that you ground the blu wire...

I assume you mean that you ground the blu wire and not the motor frame ??

If so, then you want to check the voltage at the yellow wire going to the regulator with key on and defrost position. That...

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