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How do i read a electrical pump panel circuit diagram in general no particular make. also would like to know about the panel design for star delta connections

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Sir ihave don on panel wring but i want more on electring drawing.so whay is the course i want to do

Posted on Dec 01, 2010

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I have a 2007 HHR, my temp gauge stops working and the same time the a/c stops blowing cold air...I called myself checking fuses and a relay, can you help?


You mean the blower motor stops blowing air , the A/C compressor is still engaged ? The temp gauge shouldn't have anything to do with the blower motor .But stranger things have happened on these systems when they are controlled by a electronic module (BCM )
Circuit/System Description
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the engine control module (ECM). The ECM sends the temperature data via high speed GMLAN serial data to the body control module (BCM). The BCM then sends the information via low speed GMLAN to the IPC in order to display the engine temperature.
The BCM applies voltage to the blower motor through the HVAC relay. The resistors and the blower motor are in a series circuit. The following list represents the number of resistors in series with the blower motor per particular speed request:
• Low speed--4 resistors
• Medium 1 speed--3 resistors
• Medium 2 speed--2 resistors
When the operator requests High speed, the HVAC control assembly applies ground directly to the blower motor through the high blower motor control circuit.
Do you know anything about automotive serial data communications ? GMLAN Is general motors version of C.A.N controller area network .

How to Diagnose Controller Area Network CAN

Do you know anything about diagnosing automotive electronics ? Using a digital volt ohm meter ? Using wiring diagrams to pin point locations in a electrical circuit for testing ? Do you know what a factory componet location diagram is ? It takes more then looking at fuse's an relays , to see if current is flowing in a electrical circuit .

Electric Testing Techniques You Need to Know

ECM Inputs and Outputs Diagnosis

http://www.bbbind.com/free_tsb.html Free wiring diagrams ! Enter vehicle info. Year , make , model and engine size ! Under system click on HVAC , under subsystem HVAC Controls . Then click the search button , then click the first blue link . This is the blower motor control diagram . Do you know how to read a wiring diagram ?

Apr 30, 2017 | Cars & Trucks

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Only the fan climate control is not working. The display climate control is working but only the fan.


That is the heater / AC blower motor ! There are electrical circuits and relays and blower motor resistor , blower motor etc... Electrical testing is the way to diagnose blower motor circuit . Looking at a wiring diagram to see what controls the blower motor on your particular vehicle would be the first step in diagnosing your problem . Do you know how to do automotive electrical testing , how to read or follow a wiring diagram ? Videos on youtube show how to test blower motor and related parts and wiring . Blower Motor and Resistor Diagnostics by Wells

Dec 29, 2016 | Cars & Trucks

1 Answer

Is there a kill switch on a 1998 Chevy Monte Carlo and if there is, where is it located?I


Kill switch for what ? Fuel pump ? It doesn't matter there isn't one on GM vehicles . Do you know how to do basic automotive electrical circuit testing . If not suggest you go on youtube an watch some videos on trouble shooting electrical circuits , how to test GM fuel pump relay circuit , how to read a wiring diagram . Know how to diagnose be for replacing parts ,

Jul 23, 2016 | Cars & Trucks

1 Answer

Motor starter


verify all three legs of the power are on. You could have a single blown fuse that would cause the motor to single phase and not run.

Apr 27, 2013 | Electrical Supplies

1 Answer

What is the use of wye delta?


I don't know why your question is bound to this special breaker.

If your question is common, the wye/delta is a way to reduce the starting current of a large three phase asinchronous motor.
When a three phase motor is first connected in wye (star), the starting (peak) current is about 3 times less than this in delta. When already in motion the electromotive force will make the peak current when turned in delta much less, than that with a stopped motor.

Aug 08, 2010 | RTO Telemecanique Gv2 Ls22 Magnetic...

1 Answer

Star delta starter circuit digrame and wring


Try www.searspartselect.com and input your model number. Frigidaire usually has the wiring diagrams as part of the illustrated lookup. If not sorry its usually last picture in breakdown.

Jan 30, 2010 | Frigidaire Electric Dryer

1 Answer

Won't drain need diagram for washer


If you need to know the diagram is found in control panel .Check for voltage to pump also make sure a sock is not stuck in pump .

May 18, 2009 | General Electric WCSR2090D Top Load Washer

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Need a wiring diagram for a delta drum sander


Here's a link to the online manual.
As far as that diagram....didn't you label the wires?
Take a look here, it may help you. circuit wiring , especially the paragraph that begins: "Knowing that electrically common points have zero voltage drop between them is a valuable troubleshooting principle." Also read about resistors. That speed control knob is one.
Hope that helps...

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread. If I've managed to answer your question or solve a problem, please take a moment to kindly rate this post....thanks!

Feb 20, 2009 | Delta 31 - 255X X5 18'' x 36'' Drum Sander

1 Answer

My 95 Kia Sportage has a short in the wire running to the fuel pump what should I do?


Do you know how to find a short circuit in electrical circuits ? No !
Finding The Source Of Electrical Shorts In Your Car

Is the circuit blowing the fuel pump fuse ? No not shorted . Where does the whining noise come from ? Do you know how to do automotive electrical testing ?
Basic Electricity for Service Techs Ohm law Current Flow Opens Shorts
Electric Testing Techniques You Need to Know

Do you know what a wiring diagram is , how to read an use one to pin point loactions in a electrical circuit for testing purposes .

Do you know the fuel pump is controlled by the ECU - engine computer . Do you know how to test a fuel pump electrical circuit ?
Testing Electric Fuel Pump Problems with Voltage Drop Test

Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model and engine size . Under system click on engine . under subsystem click fuel controls .then click the search button .Then on the top blue link .Second diagram down is fuel pump electrical circuit .
Do you know how to test a relay ? Relays all work the same ,
VEHICLE RELAYS Operation Diagnosis




May 10, 2017 | 1995 Kia Sportage

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