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Questions tagged [wiring]

For questions about the wiring of a car(apparatus that connects electrical circuits).

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Trailer running lights not working

I have a vintage boat trailer for a 12-foot aluminum boat. Last year, the lights worked as expected. But this year, the signal lights work on both sides, but the running lights don't work. ...
User1974's user avatar
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2 answers
41 views

Connect backrack work lights to cigarette lighter extension cord

2010 Silverado 1500 I have two LED Flood lights mounted to the headache rack of my truck: Alpena TREKTEC MR12 LED Flood/Light Pods, 1,100 Lumens, 2-pk (1 amp & 12 watts per light). I plan to use ...
User1974's user avatar
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17 views

2002 Honda Odyssey Starter Motor Wiring Troubleshooting

Long story short: friend found his ignition cable unplugged from the terminal on the starter motor. He must have grounded and sorted it while trying to start because his instrument cluster won't light ...
Daniel Cardenas's user avatar
0 votes
1 answer
13 views

Need Help Wiring Turn Signal Indicators

So here's what I'm trying to do... I have a golf cart with a 12v LED headlight/park light/turn signal system. I wanted to add a left and right turn signal indicator in the dash because I always forget ...
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1 answer
26 views

Ignition wire has constant power behind radio HU

2003 chevy s10 installed my aftermarket HU correctly a few weeks prior. out of no where the 12v switched get constant power no clue why. Worked fine before today and I didn't even mess with it. Any ...
Charles Mjelde's user avatar
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0 answers
16 views

2013 Ram 1500 right rear break light and turn signal out | truck shakes when going 60MPH+

I have a 2013 Ram 1500 SLT v8 4.7L 2wd truck. The issue that started everything was the radiator exploding under heavy load. Currently, we have fixed the radiator and the thermostat. Completely ...
Crispy's user avatar
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0 answers
44 views

'81 toyota battery being overcharged. Replacing voltage regulator did nothing

My 1981 Toyota pickup is showing around 15.3 volts while the engine is running. And after replacing the voltage regulator I have the same issue. I have cleaned every ground in the engine bay. The ...
Ayden Cole's user avatar
0 votes
2 answers
34 views

Need help with A-C Motor wiring

I Run a Harley Davidson Service Department and the motor on my Tire Changer has gone out. The original motor is obsolete I need help wiring in the replacement motor. The Top pic is of the original ...
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19 views

2012 Chevy Malibu brake light issue

2012 Chevy Malibu LT 2.4L has no brake lights. When the engine is off, the rear hazards are dim. Engine on and there is no lights in the back. Remove one sided pig tail, the other gets brighter. I've ...
TravisWillhite's user avatar
1 vote
1 answer
29 views

Hella 450 foglights not working, possible ground issues?

Trying to diagnose where I went wrong in wiring my Hella 450s in my 1992 Toyota Camry LE: Lights themselves are grounded to the bolts on the front fenders, new 10mm steel bolts with copper washers, ...
StageNinja21's user avatar
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0 answers
24 views

Sill Protector Illuminated verify lights off

I just got Illuminated Sill Protector Installed in My Car - Mahindra XUV 3OO. I cannot verify with certainty but I feel that the Sill Protector lights remain ON even when the door is closed. Is this ...
Raunak's user avatar
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2 votes
1 answer
35 views

Is this safe using stock wiring for replacing stock speakers?

I just have very very basic knowledge about electrics/electronics and car audio. I am thinking of changing stock speakers of a 27 years old car. There are four speakers, 2 on front door panel, 2 on ...
she hates me's user avatar
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0 answers
17 views

Is the ecu module is causing a short?

So this problem I'm having is regarding a very annoying Renault van and it's liking to blowing a fuse. The fuse in question is shared between a relay, two different modules and the heating controls. ...
Commonbeing 's user avatar
1 vote
1 answer
29 views

7 Blade Tow Wiring

My truck did not have a tow package and was not intended to have one and therefore did not have a junction connector like most trucks. I have mounted a seven blade hook up to the bumper and have ...
Timberwolf's user avatar
1 vote
0 answers
15 views

2000 jeep grand Cherokee blinkers and flashers not working

I have recently purchased a 2000 Jeep grand Cherokee Limited. The blinkers were not working when I bought it was told it was probably just a relay. I have replaced the relay check the fuse check and ...
martin ford's user avatar
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1 answer
67 views

Philips PH7850W(22DC785) Radio and 6 disc cd changer connection

I have Philips PH7850W(22DC785) car stereo and 6 channel CD changer, I want to connect them together, I couldn't find the connection diagram, can you help me, thanks. I make the cables myself, I can't ...
Yahya Bektaş's user avatar
7 votes
3 answers
639 views

Wiring extra truck battery to power winch

2010 Silverado 1500 My Silverado has an empty spot under the hood for a second battery. I’m wondering if I could install a second battery and use it to power a winch that is mounted to the headache ...
User1974's user avatar
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3 votes
1 answer
608 views

Does the hood pin-switch here constitute an electrical risk?

I'm considering an under-the hood light as I regularly check my oil when getting gas and sometimes it's just hard to see. As I understand the product picture below it seems like the electrical ...
Sidney's user avatar
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1 vote
0 answers
15 views

Cencom Controller with OEM Harness on Ford PIU

Does anyone know where Ford intends for the Cencom controller to be mounted when using the OEM lighting harness in a Ford Interceptor Utility (PIU)? 2017 specifically. The wiring diagrams in the ...
CragMonkey's user avatar
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0 answers
65 views

Undervoltages detected in rear fog light, not working, Mondeo MK4

I have a Ford Mondeo MK4 Saloon from around '08, Ireland, Right hand drive. Last year I noticed that only one of the reversing lights was working, but the car test passed it anyway. However when the ...
spl's user avatar
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1 answer
94 views

Left headlight turns off after starting car

Issue The left headlight on my 2005 Chevy Malibu seems to have a mind of its own. It turns on when I unlock the car, and it also stays on for a bit when I shut the engine off and get out of the car, ...
Charlie Armstrong's user avatar
0 votes
1 answer
52 views

Voltage drop on 2009 Toyota between alternator and battery

New battery keeps dying slowly. I get 13.7 volt output at alternator but only 12.8 at battery. Thinking that voltage drop due to bad wiring between alternator and battery. Trying to trace wires but ...
Rick55's user avatar
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-1 votes
1 answer
68 views

Understanding the process of wiring

If 14 gauge wire can supply 120 volts to three 60 watt light bulbs Then why do some vehicles require 3 power wires for one light bulb ( 2 for HID lighting for the ballast and one for the parking light ...
Aerospace 's user avatar
1 vote
0 answers
534 views

Fusible Link vs Fuses

Problem: I have some voltage drop between the battery positive and the alternator. I'm planning to solve it by replacing the wire. I would like to build my own cable and upsize the wire for future ...
ak_'s user avatar
  • 150
0 votes
0 answers
93 views

99 Dodge ram No power at all

I have a 1999 Dodge Ram 1500 with Magnum engine. I lost the key so a friend hotwired it at the steering column. It worked fine until at some point when starting it via wires he crossed 2 wires now ...
Cheryl Bayles's user avatar
3 votes
1 answer
246 views

Quick-release for battery terminal loops (D18S/T3)

I have a D18S/T3 battery that I want to use to power the lights of an aluminum boat. I don't want to leave the battery in the boat when I'm not using it. I figure the elements would damage the ...
User1974's user avatar
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0 votes
0 answers
99 views

D15 to d16 swap/possible problem

I've got a 95 del sol with d15b7 and looking at a d16y4. I'm wondering about trans mount up and wiring being that I have obd1 with obd2 port, and the motor is 96-97 jdm. I've heard something about ...
Jeffrey Vaughan's user avatar
0 votes
1 answer
28 views

How do I fix hard shifting gear selector on 1994 F-150 auto transmission?

I have replaced the neutral safety switch and the shift tube (broke due to difficult shifting). When a second person gets in and starts the truck, I can get under the truck with a socket wrench and ...
AmmonOfAllTrades's user avatar
2 votes
3 answers
2k views

Car alarm install. Should I interrupt starter or ignition?

I'm installing a basic car alarm on my 2000's (USA) domestic make (gasoline) truck. This alarm has an immobilize feature that is intended to prevent the vehicle from starting. The mechanism is a ...
Charlie's user avatar
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4 votes
1 answer
283 views

Saturn ion 2007 Temperature gauge

My car temperature suddenly drops down while driving and won't move until I remove the battery and put it back... What could be the cause pls? I have change the engine coolant temperature sensor or do ...
Habeeb Adewale Ajiboye's user avatar
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1 answer
47 views

Possible wiring issue?

The car in question is a 2012 Nissan Pathfinder. I’ve noticed that every time the car is turned off the stereo and the clock reset and I’m having to adjust it accordingly when I start it back up. ...
Jess Jessee's user avatar
1 vote
1 answer
100 views

2002 Nissan Sentra 1.8 - where does this go? (engine turns over but won't start after unrelated repair)

Background: No knowledge of cars. Car running fine, then heater and engine heat began fluctuating and overheating. Expensive diagnosis- low coolant due to leaking radiator hoses, need to replace. To ...
a3051m's user avatar
  • 11
0 votes
0 answers
65 views

12 V split charge system, full circuit specs

I'm working on a 12 V split charge system in a vehicle and I'm confused about which components to choose. Here's my current setup Alternator (BOSCH A0165) : 150 Amps Relay (NAGARES RDT/3-12) : 100 - ...
dtcs's user avatar
  • 1
2 votes
1 answer
42 views

Wires from exhaust

Driving down the road today and i hear a snap, then lost all acceleration, these four wires wrapped in a casing were ripped out after wrapping around the axel, they are attached to part of the exhaust ...
T. Hardy's user avatar
0 votes
1 answer
136 views

What are these things wired into my cars electrics?

I have recently bought a used 2006 BMW 520D E61 and have found 2 devices wired into the electrics next to the rear fuse box. One of these I'm pretty sure is a GPS and the other one looks like a ...
samsonM's user avatar
0 votes
0 answers
78 views

How can I identify the pin order on this board?

I'm working on a project on my car, which involves some tinkering with wiring diagrams, pinouts and modules. I'm quite inexperienced with the electrical part of the stuff, so I'm sorry if this ...
Arturito's user avatar
1 vote
0 answers
51 views

What is this connector near a 2000 Durango SUV tow hitch?

My 2000 Dodge Durango SUV has a 4-pin trailer light connector next to the towing hitch. Nearby, tucked up near the exposed spare tire, is this cable: Looks like two contacts, although there may be a ...
bitsmack's user avatar
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0 votes
0 answers
15 views

Mazda rd 8 2005

Ok I need help I’m trying to connect my AC fan and my coolant fan back to original connection I had disconnected and had rigged to where when I started the vehicle it would start the fans now I fixed ...
israel Villa's user avatar
0 votes
1 answer
85 views

Two A/C clutch diodes?

'07 Cobalt. A/C clutch fuse was blown. The clutch circuit now reads open to ground, so it seems something catastrophic happened. I am considering what a repair would involve. The schematic (below) ...
George's user avatar
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0 votes
0 answers
770 views

Possible to have damaged wire that beeps on continuity check?

I suspect I have a issue on one of the connectors in my harness, so I'm testing the loom for continuity on switches contacts and connector pins etc. following the schematic. I'm wondering is it ...
Varonne's user avatar
1 vote
1 answer
755 views

Alternator connection is bad

So I have a problem where one of the wires connecting to the alternator comes loose and stops charging my battery. I have an 08 Honda Accord. I have pulled the wire out and attempted to clean the ...
Honda owner's user avatar
3 votes
1 answer
621 views

Replacing driver door wiring harness 2012 Ford Escape

I'm trying to replace the driver's door wiring harness on my 2012 Ford Escape, and I can't seem to get the main connector (at the hinge) disconnected. Is there a trick to disconnecting this? Do I ...
Cullub's user avatar
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0 votes
0 answers
70 views

no sound when turning key, but battery should be fine

I know it isn't the battery. I just had the charge checked, and it starts... Sometimes. But the majority of the time, I turn the key and there's no noise under the hood. The door indicator beeps when ...
Sad Nissan Murano Owner's user avatar
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0 answers
207 views

2003 Mini Cooper S headlight not working

I have a 2003 Mini Cooper S, the main near side headlight is not working. The rest of the lights on the near side work. I have changed the bulb, and I have swapped the ballast over with the offside ...
Wayne's user avatar
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2 votes
1 answer
368 views

Can DC grounds for 48V to 12 Volt Converters be shared?

In my RV, I've run batteries in a series for 48 volts. I'm running that 48 volts DC to (4) 48V to 12V converters. These Converters have a NEG for the 48V input and a NEG for the 12V Output. My ...
Mike USAFRet's user avatar
7 votes
1 answer
1k views

What are these unused dash plugs on my E-350 (cutaway / bus)?

I opened up the dash on my 2012 Ford E-350 cutaway (with a Starcraft Allstar bus body) to replace the factory radio. In addition to the wire harnesses (and vacuum lines) for the HVAC, 12v plugs, and ...
Moshe Katz's user avatar
0 votes
3 answers
767 views

Can an insulated copper wire oxidize down its ENTIRE length?

I was doing some electrical wiring on a snowmobile trailer today and was surprised to see black instead of shiny copper when I cut and stripped a section from the middle of a long section of ...
wild.coast's user avatar
1 vote
1 answer
301 views

Moto Guzzi V85tt -- Immobilizer antenna short circuit error B0005 after light install

I recently added some auxiliary lights to my V85tt motorcycle. I used Cyclops lights with a Skene controller to tie them into the high beams. They are sold as a pair. I believe everything was ...
Sort of Damocles's user avatar
0 votes
1 answer
147 views

Deciphering Wiring Harness Diagram

I am an electronics enthusiast and I am helping a friend decipher a wiring harness diagram for his vehicle. He sent me the attached image to help him figure out what wire goes to where, but both he ...
user avatar
0 votes
0 answers
24 views

RV inverter wiring

I would like to install an inverter in my 5th-wheel. I want it wired into the panel so that the trailer will switch between shore/generator/inverter automatically. The problem is, there are a few ...
mkfoote's user avatar

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