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Sheryll Batts Posted on Oct 26, 2018
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I have acer 7551-7422 Internal fan died. Bought new 1 on amazon but the wires on the connector are not the same as the original red,black,yellow. Replacement is black,red,yellow. Should I switch them?

1 Answer

Larry Ng

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  • Acer Master 14,563 Answers
  • Posted on Oct 27, 2018
Larry Ng
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Polarity doen't matter now that is funny. ( Tell that to Tesla) LOL
It is a DC fan with a tachometer wire, output. 3wire fans. 4 wire are even more complex.(ask)
that tacho is how the BIOS controls speed, and sees if fan is dead.

That fan is PWM modulated by the BIOS to control speed.
Dutycycle of the DC pulses do that.
A pure DC fan will run backwards, if wired reversed.
A brushless DC fan , would burn up or be dead if backwards (toss coin varies by maker of fan, vast there are)
so what you bought at Amazon is any ones guess, ok"?
that fan for that ACER is super hard to find. (I SEE)
Laptops do not use standard parts like desktops.
good luck , hop it works 1st guess.

rewire the connector, is a cure.
We'd use cut wires, heatshrink them after soldering them.
Done vast this way for 44 years.+

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Anonymous

  • 709 Answers
  • Posted on Oct 29, 2007

SOURCE: wiring ceiling fans to wall switch

Hi Bigelow,

You need two switches.  It sounds like the Electrician set up the junction box for two circuits(Lights and Fans).  i say this because your supply has 4 wires, Red , Black, White and Bare. We may be able to oversome this with one Lutron Switch. Allow me to investigate, and I will be back.

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Anonymous

  • 234 Answers
  • Posted on Mar 13, 2009

SOURCE: Wiring/Replacing pull chain ceiling fan switch

Sounds like it to me that the netual is not there.

Anonymous

  • 235 Answers
  • Posted on Jun 30, 2009

SOURCE: Need a wiring diagram for a HamptonBay ceiling fan pull switch

Black is hot-white is neutral-blue is your light kit and goes with the black- yellow? should be a green for ground.

Anonymous

  • 1 Answer
  • Posted on Aug 04, 2009

SOURCE: i have a westinghouse three speed fan. there are 4

ok. hope this helps, use a switch from FANTEC. it'll be called a 3 speed fan switch. CAM #5 No. 21105. this will also say Single Layer 3 or 4 wire application SPLIT continuity function.. THE SPLIT PART IS VITAL. now when wire it. the BLACK wire goes in SLOT 3. ORANGE wire goes in L. PURPLE wire goes in slot 2, ORANGE wire goes in slot 1. IF, and i repeat IF this does not work for you ensure you have a SPLIT CONTINUITY FUNCTION switch. NO MATTER WHAT the BLACK wire WILL go into slot 3. the ORANGE wire WILL go in slot L. switch the orange and purple wires only. ENSURE POWER IS OFF WHEN CONNECTING OR DISCONNECTING WIRES. YOU WILL GET THE SNOT ZAPPED OUTTA YOU IF YOU DON'T. please post if this helps.

Anonymous

  • 1 Answer
  • Posted on Sep 21, 2009

SOURCE: Replace three-speed box fan switch

I have the same problem.

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Looking for a rear door diagram for Lincoln MKX 2012

You may already know "official replacement cameras" can cost $300 and more!

eBay has a REPLACEMENT CAMERA for $3.99
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Waterproof 170° Car Rear View Backup Reverse Parking Camera IR WITH Night Vision!

These cameras are VERY basic, SIMPLE and USUALLY have only a few connections:

12V+ (switched usually RED)*
12V- (or chassis ground usually BLACK)*
VIDEO Output: A "Shielded" cable (YELLOW).

*(note: The Camera 12V connections MAY have a connector attached as shown in RED below... cut it off).
cam1-x0eqpldgsn4e0obcbxll3pvh-1-0.jpg



cam2-x0eqpldgsn4e0obcbxll3pvh-1-2.jpg

UNMOUNT the original camera. Make these connections BEFORE you mount your NEW Camera...

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2. SOLDER the wires to your "ORIGINAL CAMERA CONNECTOR" (NOT at the CAR CONNECTOR)!

3. Tape your connections well!

4. TEST your new camera. HUZZZZZAAAAA!

Notes: It should be very easy to ID the VIDEO COAX. It should be somewhat larger than the other wires. The COAX may be somewhat 'delicate' so use care.

Don't worry if you have a few wires left over. You may find this number helpful: 19g490a

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Acer 6800

hi first of all check that nothing is touching the blades then spry some oil in the hinge (WD40..) make sure both ways of the fan are open for good air flow if the SUDDEN accelerations annoys you then connect it soo it will run all the time - take the red and black wires to the red and black wires of the 5v hardiscs good luck
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