Having problems with your 1985 Jeep CJ7 ?

Need to know what wires go where on my 78 cj7 fuel and temp gauge?

Posted / edited by AnonymousUser on : 15-01-2018

Answers :

Fuel wire goes to the Gas Tank and Temp gauge goes to the thermostat located near the end of water pipe from radiator.
Repair Help & Product Troubleshooting for 1985 Jeep CJ7

Tips for a great answer:

- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.

Suggested Questions/Answers :

Need to know what wires go where on my 78 cj7 fuel and temp gauge?


Fuel wire goes to the Gas Tank and Temp gauge goes to the thermostat located near the end of water pipe from radiator. ... 1985 Jeep CJ7

I need to know if i can check on the two wires that go inside the tank for the fuel pump. I have been told the one i looking for usually plug on to a 6mm copper stud on top of the sending unit, fuel tank assy. Can i look for this myself or do i need an machanic to do it. I have a petrol gauge on my bmw which just shows empty all the time. Can i fix it myself.


Access is under the back seat. Any other gauge's acting up as well? If so check all the fuses under the bonnet first (Not just one(s) for dash) ... 1996 BMW 318

Radiator Fan for 94 centry does not come on. Engine overheats. I assume temp sensor is faulty. I have hot wired the fan to ensure the fan does work, but without those wires... no luck. I hate to just replace things without some amount of confirmation that that is the problem, but I also needed to know for sure where it is located. I asume there are 2 sensors because the one sending the temp to the dash gauge seems to work ok, just nothing telling the computer to turn on the fan...


The ECM turns on the fan when the coolant sensor reaches a set temp. the fan is also turned on when the AC is on. there is also a fan relay in the circuit. none of these are very expensive. if the fan works when you apply direct voltage, the fan is g ... 1994 Buick Century

I am helping a friend with a 1983 Jeep CJ7. the temp gauge and fuel gauge are not working. Owner installed new factory gauges. Still don't work. Where do I need to be looking for the problem? What type of voltage should be supplied to the gauges? Can I run a 12 volt source to the gauges from the battery to see if I can get them to work?


... 1983 Jeep CJ7

WIRE PROBLEM I have restored a 1948 jeep willys cj2a and now ready for the elec. and only have some factory to go from. need to know the location of wires from dimmer switch,brake switch,key switch(three wire),push button start & fuel gauge. the system is 6volt and has a 6volt starter relay being used. (I have all new parts)but I can only get the headlights,park,& ammeter to work.


. The company in the link below will have everything u need, harnesses and info on how to hook them in.\015\012\015\012http://www.tellico4x4.com/i ... Jeep CJ

I need a fuel sedning unit wiring diagram for a 1986 dodge ram d-150. their is no electrical wires running to my tank, so my fuel gauge is reading empty. please help.


... Cars & Trucks

Wiring problem i have no turn singles but hazards work my dash gages dont work and altnator not working need help bad 86 toyota 4runner I have a 1986 toyota 4runner and i have major wiring problems, i have hazards, no blinkers, the fuel guage and temp gauge arent working and the rear window wont work.... PLEASE HELP


Try to check all your fuses under the driver kick and under your hood beside your engine. ... 1986 Toyota 4Runner

I have a 1970 Chevy Nova. The gas gauge is not working. I bought a Chilton manual which perported to have electric circuit diagrams in it; although, it does NOT have the fuel sending circuit diagram. Now why is that? Can you help me. I want to know if I need to replace the wire, the sending unit or the gas gauge in the instrument panel. Thank you!


\012\012First test the fuel gauge system before you start replacing parts and then finding out the new parts may or may not correct the problem(s).The fuel gauge system requires a variable resistance from the sending unit to m ... Chevrolet Nova

I connected battery terminals backwards for a brief time and smoked the fused lead going to the power distribution center (fuse panel under hood). I have reterminated the wiring and cleaned it up but the following does not work: Radio Speedometer Temp Gauge fuel gauge radiator fan also, when plugging relay in to blower motor it constantly runs. Everything else works, we need this van for transporting our wheelchair bound son. Any info would be appreciated. Thank you, Joe


It sounds like you shorted out quite a few things. Unfortunately, it sounds like you'll have to trace all your wires to see where the shorts are. I believe that several of your wires have fused together ... 2000 Dodge Caravan

1984 FIERO 4 CYL STICK. had a aftermarket elec temp gauge mounted on console, replaced with a mech temp gauge. after replacing temp gauge is when the fuel gauge messed up. now when you turn on the key or start it the gauge goes past the full mafk an stays there.NO wires to the dash were touched. the light wires on the gauge are the same ones used on the old aftermarket gauge.. what could have happened? The gas gauge worked fine before. the reason I change the temp gauge was the sending unit w


I assume you replaced the temperature sending unit when you installed the aftermarket gauge? You need to put the proper sending unit back in for the OEM gauge to work.\015\012\015\012You can find a s ... 1984 Pontiac Fiero

I need to check power to my fuel pump on 98 Expedition, which color wires goes to the fuel pump? this is the only way I can make it run after five months being a prisoner at home without my beautiful truck....;-( sad face? please tell me what color the wires are in the fat little harness that goes down the frame past the fuel tank, I know some are brake n turn signal etc, plus the fuel guage but I need to know what color are the ones to the pump itself please???? thanks and god bless!


Pic, Hope you can read it. ... Ford Expedition

I need a free wiring diagram for a 1998 chevy blazer. I was changeing the fuel pump in my daughters 1998 chevy blazer. i knocked the gass tank off the jack before I could get all the wires unhooked. The wires were pulled from the plug. The fuel pump has 2 connectors, a 4 wire and a 3 wire. I have found the diagram for the 4 wire but haven't been able to find anything on the 3 wire connector.It has a black/with a white stripe, a green, and a gray wire. I need to know what order they should be wir


Black/white is A,........ Green is B ......and Gray is C ... 1998 Chevrolet Blazer

I need to know how to rewire my wires going to my gas tank. My fuel gauge doesn't read right. When i fill it up it only goes to a quarter.


Most lickly the sender itself is bad this very common on your model truck. does the low fuel light come on even when its full at every stop then read ok once you start moving again? ... 1999 Chevrolet Silverado 1500

I have a 1964 mustang with a six cyl. all gauges dont work. put in a new oil pressure sending unit, has a new fuel tank with sending unit,new temp. sending unit wires are all hooked up. I need help finding the problem


There is a voltage regulator on the back of the instrument cluster printed circuit board. Chances are this has burned out if no gauges work. You'll need to remove the instrument cluster to get to it. ... 1965 Ford Mustang

I need help with wiring the fuel gauge on the speedometer assembly for my 1975 jeep CJ7


Feed from ballast resistor to gauge then on to tank sensor and it earths back through the tank ,its metal on these real good old motors ,make sure the earth is good to the tank though ... Jeep Comanche

I need to know what gauge wire the cylinder head temp signal return circuit is


18 gage wire automotoive grade insulation ... Mercury Grand Marquis

Im installing a high amperage alternator for my 1999 hyundai accent 1,5 liter engine.i need to know the color code of the two wires because im going to have to cut them and i need to identify them. i need to know which wire color is for the ignition and the color of wire for the gauges out put of alternator please help thank


White/red goes indrectly to the red light for charge.\015\012pink/blu goes to engine controls system through fusible link\015\012 ... 1999 Hyundai Accent

Please I need help. I have a,1995 geo prizm. I have replaced the fuel pump, fuel filter, fuel pu relay switch, temp sensor. Took it to a shop and hooked up to machine for check engine light and found out about the sensor. The other code was 14 no ignition reference signal. Guy a shop doeant know what that means. My car takes a long to crank when its cold. Does anybody know what it means? I hears I need to reset igmitor switch but cant find it


It's not really a switch. Below is a desciption of what the code means. In about 50 percent of the cases it's a bad connection which is causing the failure and there are many tests to check different circuits. In order to rule out the ignitor here is ... 1995 Geo Prizm

Gauge temperature My car is bmw 318i m43, e46, european model Problem: when switch is on The gauge temp mark forward when the engine is cold, unpluged water temp sensor, water temp sender, lines wire tested is ok, but gauge temp still there no change possision, when switch is off the guage temp mark normal (cold) so i don't know wath is the real engines temp Thanks for help


... 1999 BMW 318 ti

I need a wire diagram of a fuel gauge and sender for a land cruiser


... Cars & Trucks

Im working on a 1986 toyota pickup 2.4l efi non turbo 4x4 i replaced the head gasket and i have a black wire coming from the intake wiring harness that has no plug on it .if i touch this wire to a hot wire the fuel pump relay will click and the injectors will make a sound if i put a jumper wire on the fuel pump test plug and then touch this wire to a hot only the injectors will make a noise i understand why this happens but i need to know where this wire goes the truck wont start and run it turn


Sounds like this wire should operate the electric fuel pump through the fuel pump relay.The fuel pump relay should start the fuel pump to maintain fuel supply to the common fuel rail and any surplus fuel will be bleed back to tank by pressure contro ... 1986 Toyota Pickup 4WD

Need wiring diagram for 1989 Chevrolet 3500 Crew Cab w/dual tanks. Gasoline 7.4 TBI 400 turbo auto. Need fuel gauge wiring from gauge to sending unit.....................


... Chevrolet Silverado 3500

Need a fuel pump wire diagram on 85 /86 olds delta 88 . or need to know withch wire coming from the brain is used to power fuel pump relay


... Oldsmobile Delta 88

Ever since we replace the fuel pump on our 97 Chevy Blazer the fuel gauge reads a quarter tank no matter how much gas is in there. Is their a fuse that may need replacing?? All the other gauges are fine, I just really need to know how much gas I have when i am driving...its really hard to determine this by miles per gallon??


Float assembly, called fuel sending unit.May be able to access under the carpet in the rear or you may have to drop the tank. If you replaced your fuel pump you probably saw it. ... Chevrolet Blazer

Need wiring schematic for fuel pump on 99 toyota 4runner. All of the wires pulled out ot plug on top of the fuel pump and I need to know how they go back?


Your public library will have a manual covering your mechanical repair. Moreover, they have the automotive shops online software called AllData. It is the best auto technician ... 1999 Toyota 4Runner
  • Start your question with What, Why, How, When, etc. and end with a "?"
  • Be clear and specific
  • Use proper spelling and grammar
all rights reserved to the respective owners || www.carrestorationshop.com || Terms of Use || Contact || Privacy Policy
Load time: 3.3958 seconds