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08 ranger bowing drivers side headlamp bulb repeatedly.


Daythe trees
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As the title suggests does anyone have an 08 ranger which blows the headlamp bulb on the drivers side constantly? It's got to the point I carry two spare m4 bulbs and a bag of nylock m6 nuts, oh and the 1/4 drive with a ten mil on it in the central armrest.

 

I am reluctant to dig into the issue as it could get expensive as it's only a two minute job and I pick up bulbs for two quid each.

 

Thanks fella and lady arbs

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As the title suggests does anyone have an 08 ranger which blows the headlamp bulb on the drivers side constantly? It's got to the point I carry two spare m4 bulbs and a bag of nylock m6 nuts, oh and the 1/4 drive with a ten mil on it in the central armrest.

 

I am reluctant to dig into the issue as it could get expensive as it's only a two minute job and I pick up bulbs for two quid each.

 

Thanks fella and lady arbs

 

Normally blowing bulbs is a sign of too high an alternator voltage . However if it is the same bulb look for an intermittent supply to the bulb, constantly heating and cooling will shorten a bulbs life. Vibration will also cause the same problem. Faulty batch of bulbs, Try a different brand/ supplier.Few things for you to look at.

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As the title suggests does anyone have an 08 ranger which blows the headlamp bulb on the drivers side constantly? It's got to the point I carry two spare m4 bulbs and a bag of nylock m6 nuts, oh and the 1/4 drive with a ten mil on it in the central armrest.

 

I am reluctant to dig into the issue as it could get expensive as it's only a two minute job and I pick up bulbs for two quid each.

 

Thanks fella and lady arbs

 

 

 

My old Merc used to do that to a rear brake light bulb (I know its only 12W) it turned out to be a bad contact between the bulb holder contacts and the bulb itself. The contacts would heat up, burn leading to an increased resistance and then bulb failiure. I fixed it by bending the contacts to make a better connection, wire wool to clean the components and it has not happened again for the last 3 years.

 

If its only that one bulb I doubt you have an expensive problem with rectifiers and regulators IMO

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Normally blowing bulbs is a sign of too high an alternator voltage . However if it is the same bulb look for an intermittent supply to the bulb, constantly heating and cooling will shorten a bulbs life. Vibration will also cause the same problem. Faulty batch of bulbs, Try a different brand/ supplier.Few things for you to look at.

A little more detail for your fault finding

Is the light output constant over rough ground? You could even cover the other light off road to get a better look.

If not you have a supply/connection problem.

Presumably you have the lucar spade connectors on your headlight so check they are a tight fit on the bulb. If you have a spare single spade check each connection individually. Ensure they are tight with no signs of arcing/burning.

 

Check headlight unit for movement against the opposite side. Any looseness will cause vibration and kill your bulb.

 

Even though it is the same bulb and unlikely to be a voltage problem it would only take a minute to check this. Your local garage would probably not charge you for this. Alternatively and probably best find someone who repairs starters/alternators to check the voltage. If you are using cheap replacements then they might be more susceptible to over voltage than the original equipment ones.

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