Question about 1984 Jeep CJ7

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Need Fuse Block Diagram for 84 CJ7

Headlights won't work, I need to get home tonight and cannot locate which fuse may control the headlights.

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  • diesel5277 Mar 17, 2009

    dim lights wont work but bright will??? tried new lights but same result??

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If I'm correct there a fusible link for the headlights.
Probably of the starter solonoid.

Posted on Oct 06, 2008

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Where do I locate the fuse of the headlights in a 1984 jeep


Don't believe there is one for headlights. Your jeep is too darn old: I can see wiring diagrams going back to 1986 at a site, so I looked at one for an '86 CJ7. Unfortunately not a complete headlight wiring diagram, however, so you're getting a two bit answer, with inflation worth about 10 cents. lol.

The headlight switch gets power from a fusible link (Fuse link A) that looks like it may be located on the starter solenoid terminal- two fuse links- A & B, there somewhere. But this same fusible link A also supplies power to the fuse block with the park/tail lamps, hazards, brake lights, and a couple others. So if you have stop lights and park lights, then the fusible link is good, so you should have power to the headlight switch. Neither the fuse block, nor the instrumentation diagram, shows any fuses for the headlights. A lot of older vehicles did not have headlamp fuses, because the light switch had a built-in circuit breaker.

My guess is you have a bad dimmer switch, or the connection there may be bad. Or check if you have power to the headlight socket with the light switch on, and if you do, there may be a headlight ground problem.

Feb 01, 2015 | 1984 Jeep CJ7

1 Answer

2001 chevy impala overhead light wont turn off


see this steps and fix it use the VOM or DVOM. God bless you
The Cause: Most likely no voltage to the headlights because of a bad headlight relay, fuse, module, headlight switch, dimmer switch or wiring fault.
To figure out what's causing your problem, start by inspecting the main fuse for the headlight circuit. See your Owners Manual for the location of this fuse. It is often located in the power center in the engine compartment, but may also be in the fuse panel under the dash.
fuse1b.jpg If the fuse has blown, replace it with a new fuse (same amp rating) and try again. If the fuse blows immediately, there is a short in the headlight circuit that will have to be found and repaired before the headlights will work. If the fuse does not blow and the headlights work, problem solved (for now). There may be in intermittent short or overload that caused the fuse to fail.
If the fuse if okay, use a volt meter or 12-volt test light to check for power at the fuse. Most headlight circuits are on (powered) all the time, so there should be voltage to the power side of the fuse. No power at the fuse would indicate a wiring fault possibly in the fuse block or in the wiring between the fuse block and the battery. You'll need a wiring diagram to trace the wiring circuit and find the fault.
relay_1a.jpgIf the fuse is okay and there is power, the next check would be to find the headlight relay or control module. If the system uses a relay, pull it out and shake it. If anything inside rattles, replace the relay. Or buy another relay and plug that in to see if that restores power to the headlights.
On systems that use a module control module or daytime running lamps, about all you can do is eliminate other possibilities such as wiring faults, a bad relay or headlight switch first. If the module is getting power when the headlight switch is turned on, but the headlights fail to come on, the problem is likely a bad module. The module may be located in the front area of the engine compartment (common on Fords), under the dash or elsewhere in the front of the vehicle. You will probably need to refer to the vehicle service literature to find the module's location.
If the headlight relay or module do not receive voltage when the headlight switch is turned on, a bad switch is your problem. Switches get a lot of wear and tear, so it's not unusual for a switch to wear out after many years of service. Replacing a headlight switch can be difficult depending on whether is it located in the instrument panel or on the steering column.
If your headlights work on low beam, but you have no high beam, or they work on high beam but there is no low beam, the most likely cause is a bad dimmer switch. The dimmer switch is integrated into the steering column mounted headlight switch on most vehicles, so if the dimmer is not working, you will have to replace the entire switch.
DO NOT attempt to replace a steering column mounted headlight switch without first disconnecting the battery and waiting at least 20 minutes for the capacitors in the airbag circuit to discharge. The steering wheel will have to come off to replace the switch. Crossing up the wrong wires in the steering column could set off the air bag and cause personal injury.
If a headlight switch looks like it will be difficult to replace, don't try to do it yourself. Take your car to a dealer or repair shop and have them replace the switch for you.

Oct 16, 2012 | 2004 Chevrolet Impala

1 Answer

Need fuse box diagram underhood for 2003 Nissan altima


if diagram is not located on fuse box then your local autozone can help you out and in alot of cases can print you out diagram showing location of fuse at no cost.....good luck and if this info help to you then please rate my post.......

Aug 17, 2012 | 2003 Nissan Altima

1 Answer

I turned on my headlights tonight and neither of


without a wiring diagram, at first guess, a fuse or relay. which you can locate in the owners manual. or it could be the switch.

Mar 19, 2010 | 2005 Honda Odyssey

2 Answers

Looking for headlight fuse on 2004 ford f150 . I don't have diagram.


The fuse junction block is located below the dash and
behind the right kick panel. There are three fuses
related to the headlights.
(1) fuse # f2.25 left headlight 10amp
(2) fuse # f2.23 right headlight 10amp
(3)fuse # f2.40 day running lamp/bcm/main light sw.
and multifuntion switch. 20amp.
Hope this helps.

Mar 19, 2010 | 2004 Ford F150

1 Answer

My headlights suddenly stopped working. I assume it's a blown fuse. I have an old 84 cj7 that I do not have the manual for. I'm trying to find out which fuse is responsible for my problem.


Don't have a diagram for that one but I'd begin by checking power and ground at lights and power on the "out" wire from the switch, and work towards the middle. Also check power distribution center and see if there is a fuse, relay or both for that.

Nov 14, 2009 | 1984 Jeep CJ7

3 Answers

Which Fuse is the Fuse For the Headlights on a 2005 Sonata???


Look on the inside of the panel you removed to access the fuses. There should be a diagram with the fuses and what they control. Very similar to a fuse box in a home. Once you see the fuse you think is for the headlights, pull it, then check in the middle. There is a thin piece of wire (here's a picture: http://www.procarcare.com/images/shar/encyclopedia/8852dg22.gif) allowing for a connection to be created. If that piece of metal is separated (it will usually be obvious) you've got the right fuse.

Also, if you're having trouble pulling the fuse, you can pick up a device for a few bucks at any auto parts store that helps dramatically, like this one: http://www.acehardwareoutlet.com/(cmbea4451fbxwd45styauf45)/ProductDetails.aspx?SKU=88272

Jul 29, 2009 | 2005 Hyundai Sonata

1 Answer

Headlights not working


Look in your owners manual for the fuse block diagram. This will show you which fuse or fuses control these lights. Open up the fuse box and replace that fuse. Some fuses look like they are still ok but they have a hairline crack in them. Sooooooo to be sure, replace the fuse in question with a new one of the same amperage. If you need fuses, or someone to show you more about this go to any autozone store and they will sell you the fuse, show you where the fuse is located and probably even replace it for you all for the cost of the fuse.

May 07, 2009 | 1994 Oldsmobile Bravada

1 Answer

Where is the fuse for the headlights on a 2004 Suzuki Forenza


ddlucia: there is one fuse box located in the engine compartment.
it is a large black box. it will contain the headlight fuses.
The other fuse block is inside the passengers compartment.on the drivers side. some of the cars had the cruise control fuses in this panel others were in the engine compartment.

Mar 16, 2009 | 2004 Suzuki Forenza

1 Answer

81 cj7 headlights dont work


check your fuse, if good check or replace headlight, if that is good then check the headlight switch, easy to change. good luck

Jun 12, 2008 | 1983 Jeep CJ7

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