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Registered
Join Date: Mar 2009
Location: Vancouver, BC
Posts: 43
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Instrumentation bulbs
I'm going to be refreshing a few of the burnt out instrument lighting bulbs in my '87 Carrera. What style bulb and wattage will I need for replacements?
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04-12-2012, 07:36 PM
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Registered
Join Date: May 2002
Location: Portland, Oregon
Posts: 12,668
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The easiest thing to do is pull one out and bring it to your local FLAPS and match it up. They are about a $1 ea.
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Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic |
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04-12-2012, 07:52 PM
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Join Date: Mar 2009
Posts: 397
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BA7s, 2 watts. Or you can upgrade to LED lighting and actually see your gauges
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04-12-2012, 08:15 PM
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Diss Member
Join Date: Jul 2002
Location: SC - (Aiken in the 'other' SC)
Posts: 5,022
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Etarga's bulbs are way brighter then the stock bulbs. Highly recommended.
Here is a thread with some photos for comparison: The Ultimate LED Ba7s bulbs for Gauges ala ETarga (pic & vid) Note that the non LED bulb that is shown for comparison is double the wattage of the factory bulb.
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- "Speed kills! How fast do you want to go?" - anon. - "If More is better then Too Much is just right!!!" - Mad Mac Durgeloh -- Wayne - 87 Carrera coupe -> The pooch. |
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04-12-2012, 08:33 PM
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Quote:
check his thread ... you could do stock replace but if your doing them all might as well upgrade "while your in there" .. remember the alt light gets a regular bulb or it wont charge your battery ....... |
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04-12-2012, 09:00 PM
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Member 911 Anonymous
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Please disconnect battery when you do this
  Pick your Poison 
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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04-12-2012, 09:23 PM
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Registered
Join Date: Jan 2005
Location: north america
Posts: 2,228
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Quote:
Thanks Last edited by herman maire; 04-13-2012 at 05:07 AM.. |
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04-13-2012, 05:03 AM
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Northern Motorhead
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I just installed some of Jake's LED bulbs in my car and it's a world of difference !
Well worth the money ... Cheers ! Phil
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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04-13-2012, 05:13 PM
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Northern Motorhead
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Quote:
Cheers ! Phil
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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04-13-2012, 05:15 PM
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Member 911 Anonymous
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Allt light is not BA7 so keep it OEM incandecent
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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04-13-2012, 07:20 PM
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Registered
Join Date: May 2002
Location: Portland, Oregon
Posts: 12,668
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Quote:
The alternator light does several things: Tells you if you are charging or draining your battery; and Provides a path for the battery to provide the initial excitation to the alternator winding so it can start making electricity. Because of this function, the lamp is very carefully selected and substitutions often lead to trouble. From Wikipedia (Alternator - Wikipedia, the free encyclopedia "... The field windings are initially supplied power from the battery via the ignition switch and "charge" warning indicator (which is why the indicator is on when the ignition is on but the engine is not running). Once the engine is running and the alternator is generating power, a diode feeds the field current from the alternator main output equalizing the voltage across the warning indicator which goes off. The wire supplying the field current is often referred to as the "exciter" wire. The drawback of this arrangement is that if the warning lamp burns out or the "exciter" wire is disconnected, no current reaches the field windings and the alternator will not generate power. Some warning indicator circuits are equipped with a resistor in parallel with the lamp that permit excitation current to flow if the warning lamp burns out. The driver should check that the warning indicator is on when the engine is stopped; otherwise, there might not be any indication of a failure of the belt which may also drive the cooling water pump. Some alternators will self-excite when the engine reaches at a certain speed."
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Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic |
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04-13-2012, 08:12 PM
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Registered
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Not sure on the particulars of it but maybe etarga will jump in but .. in the charging circuit the bulb plays an important role in allowing your battery to charge ... something bout the current draw ... I am saying this not from experience with running an led in their but from threads I have read on the subject .. not just one but many say the same thing ....
I just know I have been told not to .. there was a thread not long ago about a burnt alternator due to them swapping that bulb .. I'll check if I can find it ... |
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04-13-2012, 08:52 PM
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Northern Motorhead
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Wow ...
Thank you guys for the heads up on that issue,had no idea ! I'll go check that out today ... Cheers ! Phil
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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04-14-2012, 03:21 AM
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Willie
Marble Grey
