Question about Jeep Cherokee

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Need a wiring diagram for the blower cicuit. vehicle has been broken into and blower motor switch ripped out. have acquired a new factory switch but need to get wires into right place as i cannot source a plug for it.

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Try alldatadiy.com

Posted on Nov 15, 2008

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2 Answers

My fan for my a/c -heater stopped working.Is it a fuse issue,wiring,or control module?


Could be anyone of the things you have listed , plus , the blower motor it's self could be bad . There are videos on youtube on how to troubleshoot blower motor circuits . First you need to look at a wiring diagram for the blower motor circuit in your vehicle ! You can find free wiring diagrams at http://bbbind.com/free_tsb.html . Enter your vehicle info. year , make , model an year ,plus engine size. Then under system click on HVAC , then under subsystem click on blower motor circuit or something like HVAC controls may pop up on it's own. Click on search , then on the blue link that pop's up. Do you know how to read a wiring diagram ? Videos on youtube for that as well. Test And Replace Blower Motor Resistor Chrysler Town Country Caravan

May 30, 2016 | Cars & Trucks

2 Answers

I need to check a fan control switch


Did you check for voltage and ground at the blower motor connector? You may be way ahead of me? Different speeds are controlled on blower motor ground circuit. In the diagram, the top wire at blower motor is voltage and the bottom wire is ground. The diagram may not be what you wanted? Brown is voltage, orange is ground at blower motor. Maybe you can hit control and plus on your key pad to enlarge diagram.

need-check-fan-control-switch-5ywanrzifsiavjzqjvwczzoq-3-0.jpg

Mar 04, 2015 | 2005 Chevrolet Colorado

2 Answers

Blower motor and switch


What year , make and model ? Some new vehicles, well 2000 on up have body control modules that use a small amount of current to turn on a relay that turns on the blower motor that has a high amount of current.

Jan 12, 2015 | Cars & Trucks

3 Answers

I have a 2000 chevy blazer the blower works on 1 2 and 3 but it wont work on 4 I changed the dash switch and the resister but that didn't work


There is a relay in the under hood fuse box , blower motor relay .When switched to high it energizes the relay allowing power from the HVAC fuse /30 amp to flow direct to the blower motor. from pin 30 to pin 87 , if you look on the side of the relay there is a diagram .For all other speeds the current flows from the switch through the resistor through pin 87a to pin 30 on to the blower motor ! Check the HVAC fuse in the under hood fuse block .IF the fuse is good check for continuity between the fuse side with out B+ that means pulling the fuse and using a volt meter to see which side has power and checking the side that doesn't have power to pin 87 at the relay socket ! Probably a bad fuse or stuck relay . Pull that relay and try a different one. You can get wiring diagram at www.bbbind.com click on technical information ,then click on Technical Service Bulletins & Wiring Diagrams .then on next page go down to the bottom and click on I agree . next page click wiring diagrams ,then just fill in you vehicle information .then HVAC system . click on diagram, then you will see 7 links , click on the 5th one and that's the diagram for the blower motor circuit !

Jan 11, 2015 | 2000 Chevrolet Blazer

1 Answer

In mounting new blower the wire conector plug damage , will instaling new plug the wires are contac if short cicuit then blow a/c fuse, put new but blower not off with switch and speed not change blower is...


not sure what you have there.
what was the original symptoms
and then now.?
we can fix it , just with a voltmeter, $10
is the new blower, the exact P/N match?
are you just replacing bad parts
or modifying the system?

Jan 17, 2014 | Suzuki Cars & Trucks

1 Answer

1997 grand prix window won't work


Do you need a new motor

How would someone know that?

You need a wiring diagram or at least
match up the cut wires,solder & heat shrink them

Then diagnose the motor,switches,etc

I buy factory wiring diagrams for all my vehicles
I never approach the vehicle without them
One quick check of what does work,then into
the wiring manual

You can not repair something you know nothing about,
need reference material

Helm.Com ---for manuals & lots of money

May 24, 2012 | 1997 Pontiac Grand Prix

1 Answer

Diagram for the placement of the fan blower motor in a 2003 Dodge ram 1500 truck


From autozone.com
2003-04 Vehicles

CAUTION On vehicles equipped with airbags, disable the airbag system before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to take the proper precautions could result in an accidental airbag deployment, possible personal injury or death.

NOTE The blower motor is located on the passenger side of the vehicle under the instrument panel. The blower motor can be removed from the vehicle without having to remove the HVAC housing.
  1. Disconnect and isolate the battery negative cable.
  2. Disconnect the wire harness connector from the blower motor.
  3. Remove the three screws that secure the blower motor to the HVAC housing.
  4. Remove the blower motor from the HVAC housing by rotating and tilting the blower motor as needed for clearance.
  5. b8492c4.gif

Fig. View of the resistor block screws (1), blower motor resistor (2), resistor block wire connector (3), blower motor screw (4), blower motor (5), blower motor wire connector (6), blower motor screw (7), HVAC housing (8), wire harness retainer (9), blower motor screw (10)

    To install:
    1. Align and install the blower motor into the HVAC housing.
    2. Install the three screws that secure the blower motor to the HVAC housing. Tighten the screws to 20 inch lbs. (2.2 Nm).
    3. Connect the wire harness connector to the blower motor.
    4. Reconnect the battery negative cable.

Sep 23, 2010 | Dodge Ram 1500 Cars & Trucks

1 Answer

The ground wire bacame disconnected and need to


On this particular vehicle the blower is supplied power all of the time. The hvac control head supplies the power to the blower resistor to operate the blower. If the wire is actually broken, you need to repair it, or obtain a manual from a local parts store to track it, If the wiring looks ok you will more than likely need to replace the control head in the dash which would be least expensive and easily obtainable at a junkyard.

Dec 11, 2009 | 2001 Chevrolet Malibu

3 Answers

Blower motor will not work , changed out switch module, but nothing. Whats next?


In my experiences 9 out of 10 times you will have a damaged wire or bad connection either going to the module or from the module to the blower. with the key and air/heat switch on first wiggle the wires to see if you get anything then you'll know what your problem is. If that doesn't bear any results get a test light and check for power at head unit, both sides of module wiring and at blower itself (you can refer to your vehicle's service manual for wiring diagrams if needed). If you still don't have any luck disconnect wiring from blower motor and run a jumper to make sure blower actually still works. If nothing ultimately works you either need a new wiring harness and/or a new blower motor or a new control unit. Let me know if you how this works out for you I'll try to help further if necessary.

Aug 14, 2009 | 1992 Dodge Dakota

1 Answer

Need diagram for 2007 escape audiophile


if it is the wiring diagram for the Escape you need, here it is:

12 VOLT CONSTANT Connect to BATTERY ONLY STARTER TAN/LIGHT BLUE (+) IGNITION SWITCH HARNESS STARTER 2 N/A IGNITION 1 LIGHT GREEN/PURPLE (+) IGNITION SWITCH HARNESS IGNITION 2 N/A IGNITION 3 N/A ACCESSORY/HEATER BLOWER 1 BLACK/LIGHT GREEN (+) IGNITION SWITCH HARNESS ACCESSORY/HEATER BLOWER 2 N/A KEYSENSE N/A PARKING LIGHTS ( - ) WHITE/BLACK (-) @ SJB, Connector E, Pin 4, See NOTE *1 PARKING LIGHTS ( + ) BROWN (+) @ SJB, Connector C, Pin 19, See NOTE *1 POWER LOCK PINK/WHITE (1-Wire System) See NOTE *2 @ SJB, Connector D, Pin 22, See NOTE *1 POWER UNLOCK Same wire, See NOTE *2 See DIAGRAMS DOOR TRIGGER PINK (-) @ SJB, Connector C, Pin 28, See NOTE *1 DOMELIGHT SUPERVISION USE DOOR TRIGGER TRUNK RELEASE N/A SLIDING POWER DOOR N/A HORN YELLOW/LIGHT GREEN (-) @ SJB, Connector A, Pin 14, See NOTE *1 TACH NOT RED or WHITE/RED @ IGNITION COIL or FUEL INJECTOR WAIT TO START LIGHT N/A BRAKE LIGHT GREEN (+) @ SWITCH ABOVE BRAKE PEDAL FACTORY ALARM DISARM DARK BLUE/LIGHT GREEN (-) @ SJB, Connector D, Pin 3, See NOTE *1 ANTI-THEFT FORD'S SECURILOCK ANTI-THEFT TRANSPONDER SYSTEM TRANSPONDER @ IGNITION SWITCH TUMBLER EXTRA INFORMATION NOTE *1 The SJB (Smart Junction Block) is the FUSE/RELAY BOX on the PASSENGER SIDE of the CENTER CONSOLE. NOTE *2 This vehicle uses a 1-Wire Door Locking System, LOCK requires a (-)Negative thru a 1000 Ohm Resistor and UNLOCK requires a straight (-)Negative

Jan 06, 2009 | 2005 Ford Escape

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