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| ef_falcon_95 |
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I was on my way to work before and my voltage goes up to 16v with the slightest revving. And all my needles drop then makes a beep then they go back to normal. It's done it about 5 times. Ive
got a fairmont cluster, and when I start my car it beeps for a few mins but I think that might be because I don't have a oil pressure sensor any help would be appreciated cheers
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| ef_falcon_95 |
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Bump
_________________ El XR6 Turbo |
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| hans hartman |
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ef_falcon_95 wrote: Bump 16 volts is to high
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| kickn_it |
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Possible alternator regulator problem maybe on its way out. For the voltage to spike i would say its that, which are pretty cheap and easy to fit. Usually two screws holding it on the back of the alternator. The brushes wear and can sometime C**k over a bit causing the voltage to spike.
Hope that helps Mate. P.S Check the output of the alternator with a multimeter to be sure. You can just put it over the battery terminals to check if you weren't sure.
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| alfy12 |
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As kickn_it said, 16V is way too high. Do as he said and check at battery with a multimeter. The Mitsubishi alternator like the earlier Bosch units have an internal regulator. Unfortunately the Mitsubishi alternator requires disassembly of the alternator to replace the regulator. If you're careful, you can pull it down yourself and visit your local auto electrician to obtain a new regulator and brushes. It will require some soldering to complete this job.
_________________ NF Fairlane: Non Factory Dual Fuel - New coolant tank, New fuel injectors, New fuel pump, New earth cable, ECU capacitors replaced, New O2 sensor, leads and plugs, New Radiator/Condensor cleaned. 483,000kms. AU I6 Powered. Struts, Shockies, Tie rods and ball joints replaced. |
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| data_mine |
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Yeah 16V (if that's what's really happening) will quickly kill your battery, by boiling the electrolyte off.
Plus it MAY damage electrics (most of the factory stuff will be ok, but any after market stuff is up in the air).
_________________ 1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow |
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| kovac |
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i had this problem with my el it ended up being the alternator it was a safety mode when it was over charging the headlights would go brighter then dull the dash would do weired things then stop then start i just put a reco alternator in cost me about 180
_________________ there is only 2 rules in driving go hard or go home |
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| ef_falcon_95 |
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thanks for all the help guys, yer i got a Mitsubishi alternator, my voltage always shows 16v even when its idiling so ill have to have a look .
cheers
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| frankieh |
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yup.. this just happened to me.. I had a EF alternator in my EL because they have 10 amps higher output than the EL, and my voltage went up to 18. Swapped in an EL alternator and it's all good now.
Try not to drive to much till you fix it, because one of the effects the high voltage had on my car was to burn out the ABS module so I have no ABS now. |
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| ef_falcon_95 |
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yer its the alternator i put this tester thingy on my battery and when i revved it a light came on indication my alternator is faulty so ill have to go to the wreckers tomoz and get one,,, also my car doesnt have abs
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| kovac |
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when mine was doing it, it was blowing the light globes it desided to blow all 4 when i just got o the freeway at midnight
_________________ there is only 2 rules in driving go hard or go home |
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| ef_falcon_95 |
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yer that happened to me i was driving the both headlight blew. so i had to drive around with highbeams. i really need to fix this alternator
_________________ El XR6 Turbo |
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| jamie22_cole |
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its cheaper to buy a new alternator than trying to get it fix. the regulator is totally rooted and bosch is the way to go than the mitsubishi one. problem solve. i recommend not to drive the car anymore until u fix or ur transmission will stay in limp home mode and that sucks.
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| ef_falcon_95 |
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so go to the wreckers and get a bosch alternator?? my gearbox has been playing up a bit
_________________ El XR6 Turbo |
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| LP_ |
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ef_falcon_95 wrote: so go to the wreckers and get a bosch alternator?? my gearbox has been playing up a bit You will need to use a Mitsubishi alternator as it is a 110 amp rated one as you own an EF. |
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