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Older Car/Replace All Fuses - Preventative?
I'm seeing numerous issues lately on the board with bad fuses being a potential culprit. From old and crumbly, to just worn out.
On older cars, is it worth it to just replace all the fuses as a preventative measure and peace of mind?
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1978 911SC (not black, Mocha Brown) |
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A couple of years ago I had a few fall apart in my hand, so I replaced them all.
I found a couple of fuses had the wrong rating in the slots in the process.
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1977 911S Targa 2.7L (CIS) Silver/Black 2012 Infiniti G37X Coupe (AWD) 3.7L Black on Black 1989 modified Scat II HP Hovercraft George, Architect |
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Then there is also the concern that they don't make parts like they used to, and a newer part my fail before the old part does.
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'80 RoW 911 SC non-sunroof coupe in Guards Red It's not a Carrera.... It's a Super Carrera! |
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Just clean the contact points with some super fine emery, replace the fuse and your good to go.
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Walt 82SC 3.0 81SC 3.6 |
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yup look for a diagram of the fuse pannel for your year car. Both my porsches 3/4s of the fuses were the wrong rating and many were crumbling as you said
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82 SC , 72 914 |
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Join Date: Apr 2011
Location: behind the redwood curtain, (humboldt county) california
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While you are in there...
Doing all of the relays isn't a bad idea either.
Going a step further, trying to avoid electrical issues, you might consider disassembling all of the grounds, cleaning and sealing the connections. A buddy of mine just bought a restored TR3 and he had some expensive, magic stuff used in military aircraft to ensure flawless conduction, both of the grounds and the fuses. I'll post it when I have a more lucid moment, I'm 66 today :-) chris |
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Join Date: Jun 2000
Location: bottom left corner of the world
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Or...you can replace the entire fuse holder assembly with a new style one.
This might slow down the possibility of being left on the side of a lonely back road at 2:00 AM trying to flag down non-existant cars! Our babies are approaching 50 years old...so...do you want total originality....or a reliable car? Bob
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Bob Hutson |
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Registered User
Join Date: Jan 2011
Location: Houston
Posts: 237
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I just replaced all the fuses with Bussmann copper fuses. Next will be the grounds and the relays.
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1987 928 S4 - Black 2014 C4s 991 - Agate Grey 2014 Cayenne - Mahogany metallic |
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Quote:
I've seen too many cars doing the "walk of shame" on the back of a flatbed. Some good advice in here. and I've got some work to do. Thanks much.
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1978 911SC (not black, Mocha Brown) |
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YES, and with a Dremel, with the tiny wire wheel attached clean the fuse holder contacts. Good idea to replace all the relays. Start fresh.
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87 911 coupe, GP white, cashmere/black 64 Alfa Romeo Giulia TI - the violin 89 Peugeot 505 Turbowagon-other Pcar 67 912 coupe, white, sold 04 Audi Allroad 2.7T |
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Functionista
Join Date: Jul 2011
Location: CO
Posts: 7,717
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All fuses are not equal! Look for the good brass ones. They don't go bad and cause problems due to dissimilar metals. Old German ones out of VWs are my favorite. The aluminum ones or the later copper "colored" ones should be avoided like the plague.
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Jeff 74 911, #3 I do not disbelieve in anything. I start from the premise that everything is true until proved false. Everything is possible. |
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Eng-o-neer
Join Date: Dec 2011
Location: Los Angeles
Posts: 3,107
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Keep a bunch of different fuses in the car and leave them alone until there is a problem.
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