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Can you stack a junction box two high - Hammering

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  • Ned  White
    Ned White May 27, 2010

    A junction box? You mean a switch box. wall box, etc? 2 high? Yes, you just made a drywall hanger mad, and there is no cover to fit it, 2 deep? No problem there either. Too high? Yes, and no, you are supposed to be able to reach it, but in certain cases you can put one on the ceiling if you want. Let me know what you are doing and I can answer it better.



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  • Master
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If you're talking about a typical 4" square box, yes you can. It's called an extension ring. Not only does it have an open back , but the holes are slotted so you don't ahave to remove the screws. They are used to obtain the necessary space in a box when you need additional cu in space based on the number of conductors you have in your box. These are to be used in locations that are not special. Not outdoors, wet etc.

Posted on Jul 01, 2010


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Posted on Jan 02, 2017


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1 Answer

High beams not work on 2008 ford focus,but they where.

Fuse F23 15 amp location in side the vehicle fuse box . ( SJB ) smart junction box . High beam relay is non serviceable , soldered to the circuit board inside the smart junction box . The head lamps are computer controlled by the SJB . Your best bet mite be to take your vehicle to a qualified repair shop.

Mar 08, 2018 | Ford Cars & Trucks

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He is slightly wrong. There is a fuse that powers the airbag control module. But that is it, there would be a different code if the junction fuse box was the problem to that airbag light.

B1382 Side Airbag Front-Passenger Resistance too High

Possible causes:
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  • Damaged wiring to airbag.
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1 Answer

My 2009 ford focus high beams quit working . the fuses are good I have replaced the high beam multi function turn signal assembly

Your not going to want to hear this , there is a high beam relay inside the smart junction box , it's nonserviceable . Soldered to the circuit board . Do you know what a Smart junction box is ? Is ford BCM body control module . Have you checked fuse's inside the vehicle ? F23 15amp high beam .

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1 Answer

Where's headlight relay @ on a 2010 ford fusion 2.5

There is no relay for low beams , the ( SJB) smart junction box , a control module an fuse / relay center in one.
When the SJB receives an input requesting the headlamps on, the SJB supplies voltage to the low beam and high beam bulbs as necessary.
The smart junction box (SJB) monitors the headlamp switch position by sending voltage reference signals on multiple circuits to the headlamp switch. At any given time, one of the signal circuits is routed to ground. If the SJB does not detect any of the inputs to the headlamp switch is active (routed to ground) for 5 seconds, the SJB turns on the exterior lights and keeps them on for 10 minutes after the ignition switch is turned off (or 10 minutes from the time the SJB does not detect any headlamp switch input if the ignition switch was already off). If the SJB detects multiple circuits short to ground, the SJB implements a planned strategy depending on the multiple inputs received. If either of these situations occur, the SJB should NOT be ruled immediately as being at fault. This is normal behavior of the SJB design as it has detected a fault with the inputs from the headlamp switch.
Visual Inspection Chart Mechanical Electrical
  • Headlamp switch
  • Multifunction switch
  • Headlamp assembly
  • Battery junction box (BJB) fuse(s):
    • 19 (40A) (low beams)
    • 26 (15A) (LH high intensity discharge [HID] headlamp)
    • 27 (15A) (RH HID headlamp)
  • Smart junction box (SJB) fuse 11 (15A) (high beams)
  • Ballast
  • SJB
  • Bulb(s)
  • Circuitry

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1 Answer

My high beams do not work. Low beams work fine. When i switch to high beam low beam goes out to. 2004 f-150

Check the high beam relay in the central Junction Box (Fuse box) under dash and check fuse F2.35, 20 amp yellow. One is bad.

See owner manual for fuse panel location & Chart.

please rate.

Aug 03, 2011 | Ford F-150 Cars & Trucks

1 Answer

What is the fuse location for the power windows and for the rocker switches for the 2002 Ford Explorer? Thanks

for early production models
bjb (battery junction box) fuse #6
cjb (central junction box) fuse #17

for late production models
bjb (battery junction box) fuse #6
bjb (battery junction box) fuse #47
bjb (battery junction box) fuse #2
cjb (central junction box) fuse #17

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1 Answer

Where in my 1997 mustang is the fuse box

The 1994-98 Mustang vehicles are equipped with two fuse boxes, or locations: the fuse junction panel and the power distribution box.
The fuse junction panel is located under the left-hand side of the instrument panel and is an integral part of the chassis wiring harness. The fuse junction panel contains only some of the fuses and circuit breakers for the vehicle.

The indicator flasher and fuse junction panel are located under the left-hand side of the instrument panel, to the left of the steering column

The other location for fuses and relays is the power distribution box, which is located in the engine compartment on the left-hand, front fender apron. This box contains the high power fuses and was designed to take the place of most of the fusible links.

Note that the identification of the fuses and relays is embossed into the power distribution box cover

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1 Answer

Passenger headlight don't work 2003 lincoln navagator

high beam or low beam? or both of them on one side.

  • One low beam headlamp is inoperative
  • Central junction box (CJB) fuse 23 (10A) (RH headlamp).
  • CJB fuse 25 (10A) (LH headlamp).
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  • Circuitry.
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  • Go To Pinpoint Test D .

  • The high and low beam headlamp is inoperative on one side
  • Circuitry.
  • REPAIR ground circuit 57 (BK).

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  • Vehicle Security Module
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1 Answer

Wiper blades stopped working on 2000 Taurus

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1 Answer

My headlights dont work,.all other lights are fine though,.is it the fuses or the bulbs? im not sure what fuses they would be,.there seem to be different ones for the same thing

do your flash to pass lamps light when you pull the stalk towards you? If yes, the bulbs are ok.
Do the hig beams work?
Your headlamps have sepaerate fuses for each headlamp and you have a low beam relay and a high beam relay under the hood in the black box.
If everything is out, I suspect a bad headlamp switch.
Check and look on page with * for cheapest price.

Your owner manual will identify fuses & relays.

PS, You did not recently instal high current bulbs did you? If yes, put originals back in.


The voltage is supplied to the lamp switch through a fuse. This fuse is located in the central junction box in the left-hand footwell.
When the headlamps are switched on, a voltage is supplied to the high beam/low beam switch and to the low beam relay. The relay for the low beam is located in the battery junction box (BJB) in the engine compartment.
If the high beam/low beam switch is set to "low beam", then a voltage is supplied through the low beam relay to the low beam part of the headlamp assembly. The left and right-hand low beams are fused separately. The fuses are located in the battery junction box (BJB) in the engine compartment.
If the high beam/low beam switch is set to "high beam", then a voltage is supplied through the high beam relay to the high beam part of the headlamp assembly. The left and right-hand high beams are fused separately. The fuses are located in the battery junction box (BJB) in the engine compartment.

Lamp Switch
  1. s2y~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Disconnect the battery ground cable. For additional information, refer to Section 414-01 .
    Remove the lower driver's side footwell trim.
  1. Detach the lamp switch bezel.
    • Remove two screws.
  1. Remove the light switch.
    • Remove three screws.
    • Disconnect the electrical connector

Feb 23, 2009 | 2005 Ford Focus

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