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I have a 2005 buick lesebra limited I been having problems with the windshield wipers I have no power goin to my accessory fuse or the one for the wipers I replaced the multy swich and did not solve my problem so i jump it of the next fuse and got them to work but I like to get it right. Next my air delivery won't go from hot to cold on ether side the wires on the harness broke off and not just one but a few andnsence they not color coated is Hard to find the right combination I know I have one 5volt one 1.9 volt one ground one power I know power god on the number 5 pin ground on 7 pin 6 7and 8 I have no clue which one to put the connectors are bad . I liken to know the correct order to see info can fix my problem . Thebjuck yard wont sale that part. And the dealer wants my first born to get me one . Can you help me with this problem. Thank you.

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  • Buick Master
  • 5,137 Answers

By 2005 most vehicles are fully computerised and it isn't wise to take any electrical steps unless you are working from a wiring diagram and know what you are doing as getting things wrong can have expensive and inconvenient consequences.

Current to systems tends to be switched by a black box after receiving a signal from the lights, wiper or other switches. Because the systems are digital and dependent on duty cycle an oscilloscope is as useful a diagnostic tool as a voltmeter.

Posted on Jan 13, 2019

  • Francisco Amador
    Francisco Amador Jan 14, 2019

    Thank you sir for the information. But I was in a bind and had to find a solution I will try to get it right but now days you need a high end scanner wich am saving to get one . Now my next question is are the modules and multi function swich harness comparable from 2000 to 2005 lesebra making a trip to a pull a part

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SOURCE: AC problem

is the compressor turning on? when you turn thwe a/c? on,
and also locate the low side line on engine compartment and feel if is cold, if it is, then your blend door system is not working,
the blend door does control the cold and hot air coming to engine.

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inf12
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SOURCE: need wiring diagram for taillights on 2000 chevy venture van

d7d3cd6.jpg3a50d5e.jpg80738de.jpg8d3e722.jpg GOOD LUCK

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SOURCE: "No Connectin" at OBD II plug

Will it give you codes on the dash if you turn the key on and off 3 times.

Posted on Mar 24, 2009

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SOURCE: horn, windshield wiper not working, new fuse

Before you go to the relay--see if you can scrub the fuse holders clean (for the horn and wipers). Remove the ceramic fuses, and take a stiff bristled brush and some rubbing alcohol to the contact surfaces. Vehicles I used to restore (from the South) that had been sitting a while had green oxidation on the fuse contacts that would cause intermittent opens on the circuit.

Posted on Mar 27, 2009

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SOURCE: wipers not working. Can't check fuses, don't know which is which

could be a fuse , could be a motor ,or could be the central timer unit , your question was could it be a fuse? possibly!

Posted on May 20, 2009

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1 Answer

2005 ford escape wiper and washer has no power. cant hear it engage when on but was working a week ago. how can i troubleshoot it and find the fuse


Hi Justin , Do you know what a SJB - smart junction box is and where it is located on you escape ?
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The smart junction box (SJB) supplies power to the multifunction switch from the SJB fuse 25 (20A) when the ignition switch is in the ON or ACC position. The multifunction switch supplies power to the windshield wiper motor for the HIGH or LOW/INTERMITTENT input, depending on the multifunction switch position selected. The SJB also supplies power directly to the windshield wiper motor from fuse 25 (20A) when the ignition switch is in the ON or ACC position for RUN/PARK operation. When the multifunction switch is in the LOW, HIGH, or INTERMITTENT position, power is supplied to the windshield wiper motor, which moves the wipers off the park position. Once the wipers are off the park position, an internal switch in the windshield wiper motor switches to the run/park position which directs power to the wiper switch then back to the wiper motor. This maintains power to the windshield wiper motor to complete the wipe cycle. When the cycle is complete, the internal switch in the windshield wiper motor switches back to the park position. If the multifunction switch is in the LOW or HIGH position, power is supplied from the multifunction switch and another wipe cycle starts. If the multifunction switch is in the INTERMITTENT position, the windshield wipers remain parked until the internal relay in the multifunction switch supplies power to the windshield wiper motor. The internal relay supplies power after a time delay that is determined by the 1 of 9 intermittent switch settings.

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What could be my problem for my windshield wipers to suddenly start and stop working?


It could be the screws are loose (at the bottom end of the wipers)
There may be a rubber cap you will need to access the screws. (Also worth checking if the wiper motor is working when wipers are not)

Other possibility, the wiper motor fuse is loose with intermittent connection - locate the fuse box and take out all fuses, inspect them for damage/burn marks and insert them firmly back.

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Fix 2005 tahoerear wiper


For wiper problem,troubleshooting,check the help links provided below.Click the link to go through its procedure:----------------
HOW TO REPLACE A WINDSHIELD WIPER MOTOR

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-windshield-wiper-motor.html

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Wipers not working, but hear relay click? http://schematicsdiagram.blogspot.com/2011/12/wipers-not-workingbut-hear-relay-click.html--------- Car windshield wiper gets power for movement and stops?

http://schematicsdiagram.blogspot.com/2011/12/car-windshield-wiper-gets-power-for.html

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http://technoanswers.blogspot.com/2011/11/how-does-cars-windshield-wiper-system.html


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http://technoanswers.blogspot.in/2012/02/where-is-wiper-fuse-located-on1993.html


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Complete wiper components replacing details for Car Models? http://repairhelpcenter.blogspot.com/2011/11/complete-wiper-components-replacing.html The wipers not working? http://repairhelpcenter.blogspot.in/2012/02/1993-ford-f350-wipers-not-working.html

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