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How to Test For Heater/Blower Wire


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newinstaller 
Copper - Posts: 160
Copper spacespace
Joined: July 11, 2004
Location: Canada
Posted: November 11, 2004 at 11:07 PM / IP Logged  
Hi,
I would like to know how to test For Heater/Blower Wire with a multi meter
I understand most but this confuses me.
Thanks
IE what would it read on the meter
daniel2002p 
Silver - Posts: 524
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Joined: October 10, 2003
Location: United States
Posted: November 11, 2004 at 11:13 PM / IP Logged  
it is just a acc wire in the ign column.  it will be hot in the run position and neutral while starting.
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jrilla 
Gold - Posts: 1,498
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Joined: November 19, 2002
Location: North Dakota, United States
Posted: November 11, 2004 at 11:26 PM / IP Logged  
I dont want to discourage you but your name is just begging for comments to be made abut it. What happens if you ever get good at installing? or are you pretty much planning on being as good as a newinstaller forever? How to Test For Heater/Blower Wire -- posted image.
Knowing how to test for an Acc and an ugnition wire is by far the most basic knowledge that any installer should have even if it is their first time. And don't just go testing wires. Get a good wire diagram then go test the wires on it. You should test every wire you grab, unless you have done the vehicle before and know for sure.
J Rilla
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jrilla 
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Joined: November 19, 2002
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Posted: November 11, 2004 at 11:31 PM / IP Logged  
I just wanted to mention again that I am not trying to be a jerk. I know I see some guys who get pretty blunt around here, but I have a genuine concern for people who post questions that reveal their level of expertise and the extent of their current knowledege and I fear that they might set a car on fire or burn out a computer or something that costs thousands or even a few hundred dollars. When you are a newbie even a few hundred dollars can hurt pretty bad.
J Rilla
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gcorrea 
Silver - Posts: 436
Silver spacespace
Joined: May 22, 2004
Location: United States
Posted: November 11, 2004 at 11:36 PM / IP Logged  
true to that, dont always take a diagram for granted always re check to see if its the true wire you are looking for. the diagram should be just a refrence point.
gcorrea
Teken 
Gold - Posts: 1,492
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Joined: August 04, 2002
Location: Aruba
Posted: November 12, 2004 at 6:19 PM / IP Logged  
jrilla wrote:
I know I see some guys who get pretty blunt around here,
* Looks Around, and Ducks * How to Test For Heater/Blower Wire -- posted image.
Knowledge is power. But only if you apply that knowledge in a positive way, which promotes positive results in others.
EVIL Teken . . .
auex 
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Joined: December 23, 2002
Location: Arizona, United States
Posted: November 12, 2004 at 6:24 PM / IP Logged  
Hell, I better start wearing kevlar.How to Test For Heater/Blower Wire -- posted image.
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Always check info with a digital multimeter.
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flynntech 
Copper - Posts: 275
Copper spacespace
Joined: April 15, 2004
Location: United States
Posted: November 13, 2004 at 4:08 AM / IP Logged  

Why not understand what you are testing with the multimeter?

It must be in the voltage setting, probably 20 volts range for 12v measurements.

If it is ACC you are tesing for, then that would be the positive side of the circuit. In other words, there is only 12v + on that wire if it is measured in reference to ground.

Take some time to understand the basics of electricity that so many newbie installers are afraid of learning. After that, things get alot easier.

You should see something like 12.75 volts DC, the car battery is 12 volts at least, hence....the12volt.com

Just about everything in an automobile operates at 12 VDC


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