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S3 O/S/F headlamps not working - Interior/Exterior/Lights/Glass/Alarms/ICE/HVAC - The Lotus Forums Jump to content
Evan B

S3 O/S/F headlamps not working

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I'm wondering if someone here has had a similar problem and could help me with my problem.

 

The front off side (Right if in the car) headlights on main and dipped beam do not come on at all, the near side still operate as normal. They only stopped working last night where I had main beam but no dipped on the o/s/f lamp. Now there isn't a light working on the right. The lights are Cibie's and not sealed beam units. All bulbs are fine as I have swapped the lamps on the other side and they work.

 

It seems as if there is no power to the said headlamps, I have checked the fuses in the glove box, relays under the dash which allow the lights to be turned on, and I have checked the relays and connections under the bonnet.

 

I am guessing the right lamps are spliced off the left so that they operate together, since there are double wires in the bulb connector compared to single wires on the other one.

 

Any help would be appreciated,

 

Evan.

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Not near the car at the mo, so can't confirm relay arrangement for you, but have you tried buzzing out the connections?

As with most electrical gremlins on our cars, I would guess the earth to o/s is the most likely failure...

Good luck

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I was going to suggest connections as well. Not enough to check them. Pull them apart, clean them up and then remake them.

 

Let us know how you get on. :)

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Ok thanks for the advice :) I shall clean the connections on the relay and check the earth point. I believe the earthing point for the lights is under the bonnet just near the spare wheel, as I have about 5 wires on the bolt here.

Evan.

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Right, so today I cleaned the earthing point under the bonnet. It's the one which goes into the front sub frame. Then another wire was onto the radiator mount bolt so I put this with the others. Also I used some new connections which had used the plastic splice type joints. I swapped relays and checked everything again. Still no front headlamps on the O/S (Right). The side lights etc all work and so do all other parts of the electrics. Just the headlamps on the right.

 

I will have to book the car in with a lotus specialist to diagnose the problem. I guess it's the length of wire which runs under the bonnet shut and provides power from the left lamps to the right.

 

Evan.

Edited by Evan B

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