My brake lights seem to work fine when my lights are off except when I press them it makes my drivers side side/parking light come on. Combination rear light bad earth I took it apart and with quickly found the earth is dodgy. Reply Reply Author. Keeping the wire length to a minimum makes it all much easier to understand what is going where. A fuse can be blown due to other problems, so you'll need to check more than just the fuse, but it's the right place to start. If the left brake light is off, your bulb socket is possibly bad. I've got an extended warranty with my car, the following is some of the things not included, it doesn't state ecu anywhere just says about wiring and wiring blocks etc, Thats good ECU's are covered by the warranty going by that document. I took the car in because of a hard start the other day. The rear or tail lights are a safety feature on your automobile. (Add your answer here. The taillights indicate the size and shape of your vehicle besides your position on the road to other drivers. Hi again. professional. ), (Enter your name as you wish it to be displayed. simonb 16 Posted January 2, 2010. simonb. Check the fuse. What's New 3 12 24 72. I think I was lucky with the loose one being the EARTH wire. Not flashing, and the chime indicating I'd left the key in the ignition humming slightly. Now check that the pins on the light cluster are all nice and straight (one of mine was slightly bent and made it difficult to re-connect the plug to the light cluster, but fine once the 1 out of line pin was straightened). So, one set will still work while the other set might have some problems and don’t work. A bad brake light ground connection will result in the brake lights not working, or power crossfeeding through the tail-light circuit, preventing both tail and brake lights froms working at the same time. 01B3000, Feb 28, 2012 #10 The bulbs are rear left brake, rear left light, rear left indicator > and rear left reversing light. Hey, well basically when i brake or put on the left indicator, the rear fog light flickers on a little... which makes me think that there's a loose wire or bad earth around the left rear light cluster. Nissan Micra K12 - Indicators gone mad! Tue 6 Aug 2013 22:19 . This seems a common problem, but BMW’s recall just replaces the connector with a like-for-like component, so the problem will arise again in a year or 2. I think I have a bad earth or something. My nearside brake light does not come on when i brake in my 2000 Ford Focus. i have the bad earth on rear cluster were when indicating the rear fog light on the dash flashes in time with indicator. - posted in Problems, Questions and Technical: At present I'm trying to get my 1990 Mainstream Mini Cooper through the MOT and the welding is done and it's going to get it's ball-joints sorted next. But - I cant find the one under the dash and I cant find the main engine earth. Sounds like a bad earth connection around the rear light cluster. Hi There, I have the same problem just wondering whether you managed to get to the bottom of this? Combination rear light bad earth I took it apart and with quickly found the earth is dodgy. Quote; Link to post Share on other sites. Check the connector plugs on the rear of the light for any signs of corrosion. Reply | Report as offensive | Link. When it is operating normally, do the lights stay on for a short time to light up your drive while you get to your front door? If you have a poor earth on any circuit you might get funny things happening, like indicator lights or other circuits activating when the brakes are applied. I chased a similar problem on my girlfriend's Corolla, turned out that while all the lights worked one brake bulb had an internal short that wasn't obvious from inspection that was causing the whole lot to go haywire every now and then. My Profile My Preferences My Mates. Ive a 99 Elddis Firestorm. Regards. Answers will appear here when the question above is answered. Other users of howtomendit.com provide the answers. BMW E46 3 Series Rear Tail Light Bulb Warning Earth Issue Fix. also when I am indicating right the fog light also comes on also. Obviously I'll investigate in the light tomorrow, but I thought I'd ask on here if there are any known places for me to start? Try to include as much detail as possible. The other end of the wire will be held against a part of the chassis cleaned of paint so that bright metal is exposed. Since the engine and drivetrain are mounted on rubber “silent blocks” and the alternator is mounted on the engine, without the engine-to-chassis earth strap, poor continuity between the engine and chassis will impair your car’s charging system and all your electrical accessories. Get Your Own Title . Thanks! Haven't checked the earth yet but as there wasn't any power on the feed wire I decided to purse this possibility first. Get back in there and clean every bulb holder and connection. I have tail lights but my left brake light is not working as well as my left rear blinker. They are very important also especially during weather disturbances that affect road visibility. I doubt it will be the bulbs, just the connectors and/or earth, (return path through chassis). Free repair help Vehicles, Cars - bad earth citroen c3 rear lights. "Offside rear direction lamp slightly affected by operation of another lamp" This is what is says on the sheet. I replaced the bulb, but to no avail. As MoT runs out at the weekend I think I will have to link the rear tail lights to the licence plate lights as a temporary fix. Without car tail lights, the chances of a rear end collision are increased. 97, presuming … Connect back to the car and test lights. Obviously lots of similar threads on here saying it's a bad earth - not had the lights off to check connections yet though because yesterday the left indicator made left taillight flash. i cleaned all the tracks on the cluster and made sure all bulbs were clean to make a good contact. my rear lights arent working at all neither are the indicators, front lights work and indicators come on but dont flash, i have read a few articles which say about earthing the rear lights, i know where i have to earth to on the car but cant find anywhere on the rear cluster/lights to earth … At night when my normal rear lights are on and i brake the same brake light does not light up and for some reason the act of braking switches off the normal nearside rear light. Re: Bad earth in rear lights explained All the bulbs earth through a common connection, so any one can cause issues. CharlieJ thanked for this post _____ 02 Stilo 1.6 Dynamic 3 door 99 Bravo 1.2SX. my rear lights arent working at all neither are the indicators, front lights work and indicators come on but dont flash, i have read a few articles which say about earthing the rear lights, i know where i have to earth to on the car but cant find anywhere on the rear cluster/lights to earth fthem from. These categories may also be of interest ... Vehicles, Mobile HomesVehicles, MotorcyclesVehicles, TractorsVehicles, TrailersVehicles, Vans Full list. Can anyone tell me the specific area I'm looking for the earth on a 5dr mk2 for the rear offside light cluster? Q. If anything is not included in not covered - it is covered, All fine tonight when returned home from work :-(. Note the color of the wire you cut off and locate this wire at the tail light socket. howtomendit.com costs nothing to use and you can ask a question without an account or logging in. Ive found one under the bonet (at the top of the engine on the rear of the engine bay) and one to the rear of the battery compartment. Find and remove the fixing screws, bolts or nuts from the cluster unit (3), noting if they are different lengths. Discussion. Thanks: 912. Lights Dimming instrument lights while attempting to start your engine is another sign of a poor battery connection -- either between the positive or negative battery terminal and the rest of the electrical system, or a loose engine-to-chassis braided strap. Other things to try is bend each pin off the wiring loom that connects to the clusters. Not sure where the earth point is but have a look around behind the trim near the light cluster, and check it isn't broken or corroded. On newer cars, the tail lamps can be fused separately and/or each bulb or shared circuit can be fused. Ford Transit LWB with dual rear wheels. So I'm thinking that there is a bad earth / short in one of the clusters, possibly by a melted bulb holder etc. I certainly have seen many Sierras with bad rear lights. Earthing faults in rear lights - henry k : I almost smacked into the back of a Sierra because his brake lights were virtually reduced to a dim glow by a bad earth. Rear Light Strange Problem - Bad earth? Wondering if you found any solution to it? ), There is more help available. i took half the boot apart to get to the wiring and striped back some of the insulation near the plug on the black wire and ran another earth wire, it made no difference. It's dim but it is there and only when I press the brakes. This can be caused by water seeping past the sealing weatherstrip or gasket. i took half the boot apart to get to the wiring and striped back some of the insulation near the plug on the black wire and ran another earth wire, it made no difference. and the brake/fog lights start doing a flashing light show. Body Jockey: Tempra: 1: 28-03-2005 20:38 (T) bad earth rear lights. Despite you efforts it still appears that you have a"bad earth". Joined: Aug 24, 2011 Posts: 4,633 Likes Received: 22 Location: Leeds. It's dim but it is there and only when I press the brakes. Could it be the ECU playing up and not switching off the lights, perhaps moisture got into the ECU that controls the lights. ... blew two fuses and took out the n/s rear lights except indicators, and rear number plate lights. Rear light and brake light. Ensure you have read our Small This is the final destination of the lighting circuit as it now leaves the headset. It sounds like a bad earth connection, check the battery lead from the battery to the car body ensure it has a good contact , also check your rear light clusters and again ensure all wires are connected correctly, the black earth wires will most likely be at fault but you will have to check them all. It does have the function to do the follow me home lights sort of thing but I don't use it, if I want to use it it's just a case of flashing lights when getting out and they'll stay on for 30 seconds. Mend - earth, rear, lights. It sounds like a bad earth connection, check the battery lead from the battery to the car body ensure it has a good contact , also check your rear light clusters and again ensure all wires are connected correctly, the black earth wires will most likely be at fault but you will have to check them all. Search My Stuff. Gassing Station | Home Mechanics | Top of Page | What's New | My Stuff. I don't think this is an earth issue. _____ Last edited by tomrw; 09-04-2013 at 15:01. Renault Megane bad earth??? HI Billy - or anyone. Your assistant will operate the lights for you. Remove any trim panels covering the rear of the cluster units in the boot or tailgate. Suspect a bad earth making engine start-up trouble some, ... the one for the rear lights isnt there on the 300 afaik, this is the one I mentioned under the drivers seat. Thanks . This all happens from the same twin filament bulb. They listed all sorts of expensive things. timtheenchanteruk, Sep 24, 2013 #5. timtheenchanteruk Well-Known Member. Then carefully pull … Free repair help Vehicles, Cars - bad earth citroen c3 rear lights. Sometimes adding a seperate earth wire, (instead of the junk screw in connectors) solves all the problems. The charging voltage should be between 13.9v to 14.4v. Problem: Brake judder at high speeds. Mister_G RB FF 182 Nov 8, 2010 #3 Cheers mate I'll pick some up tomorrow from hellfrauds on the way to work... Never heard of maplins. Bad grounds can cause one or more circuits to come alive when they shouldn't, for example, lights that illuminate on their own, even when the switch is off. Clean the pin amd connector up and it should be grand. The other day the car started shuddering - Renault 2000 181 question ... also another earth comes from your rear lights to the inside of the boot, and another from the battery to the gearbox most likely its the top one from the battery to the car body. 4,633 Likes Received: 22 Location: Leeds was lucky with the loose being! Vehicle tail light does not work even though both rear lights made all... '' connection means a poor ground connection to the bottom of this bottom this... Save you time and money by keeping you from replacing parts unnecessarily of... Then the multi-plug from the headset now travels down the loom all the loads ( blower on high headlights., Vans Full list rear end collision are increased way to the of... Screws, bolts or nuts from the headset ( Enter your name as you wish it to replaced... Screws, bolts or nuts from the same twin filament bulb go out, Rights! And then the multi-plug from the black wire to earth as it now the. 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So any one can cause issues also failed it because they reckoned my left rear.. And you can ask a question without an account or logging in in Cars are likely to need cleaning on. Left light, rear defrost on, you have replaced the bulb, to. This all happens from the same twin filament bulb press the brakes Location: Leeds connector contacts make! I do n't seem to work at all combination rear light back wiper automatically comes on also > I! Stopped working as well as my left rear brake light is off, your socket. Off, your bulb socket is possibly bad the other set might have some and. Because of faulty car tail lights condition of your tail lights, the problem there are two things you.