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1972 midget

Posted by saw50

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1972 midget #1
saw50 steve white lenoir nc, USA	Posted: April 30, 2012 08:57AM Registered: 2 years ago Posts: 124

Good Morning

My brother has a 1972 MG midget, the problem he is having is the headlight are burning very dim, hardly no light at all, I took the grounding cable loose under the car, cleaned and sanded it very well, still dim light,

Anything we are over looking that we can do ? Also cleaned the fuses and box, no luck

Thanks for any help

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Re: 1972 midget #2
GlenP Glen Phillips DFW, TX, USA 1972 MG Midget "Annabelle" 1976 MG MGB "Guinness" 1977 MG Midget "Widget"	Posted: April 30, 2012 09:21AM Registered: 4 years ago Posts: 1,294

By 'grounding cable'...'under the car', are you talking about the engine earthing strap? Is it just the headlights or are the parking, tail, and sidemarker ights also dim? Check the head light connections behind the lights and dash switch connections.

Also what kind of headlights are you using. Often higher powered halogen lights work better with relays.

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Re: 1972 midget #3
saw50 steve white lenoir nc, USA	Posted: April 30, 2012 09:41AM Registered: 2 years ago Posts: 124

The earthing strap is what we cleaned, its only the headlight, nothing else, all others are normal, not sure what kind of headlights, they arn not halogen

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Re: 1972 midget #4
Kerr Norm Kerr Ann Arbor, Mi, USA 1974 MG Midget	Posted: April 30, 2012 11:27AM Registered: 4 years ago Posts: 2,515

Hi,
There is a dedicated wire harness earthing point on the RH inner fender where the headlights get their ground, I suspect that first (especially if some rustproofing has been sprayed in that area). It is entirely possible that the ground is good enough that the low-power marker lights still work normally, but not good enough for the more power consuming headlights.

Next, after that has been confirmed, I would have you check the condition of the bullet connectors behind the grille where the harness from the light switch connects to the harness for the headlights. There should be a bundle of about 5 or 6 of them all in a bunch. Disconnect each one and clean and reassemble them (mind that you don't mix them up, they are all color coded to help with matching them when you are done). The ones you especially want to check are the blue/white (high beam, or "main beam" winking smiley

ones and the blue/red ones ("dip beam" winking smiley

.

These might also be located between two panels, or in the RH wheel well. Follow the harness and you'll find them. They are exposed to a lot of crud, so need some TLC from time to time.

hope this helps,
Norm

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Re: 1972 midget #5
saw50 steve white lenoir nc, USA	Posted: April 30, 2012 11:36AM Registered: 2 years ago Posts: 124

Thanks Norm, I didn't know there was another earthing point on the car, I will check it out for my brother,

Much thanks from both of us

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