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Old 03-12-2015, 09:33 AM
 
792 posts, read 2,874,250 times
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This thing broke on my distributor. The black wire goes in and then comes right back out again. Does anyone know what this is and what it does? Can I spice the wires and bypass it?

Other info: Yesterday I restored one I got cheap off ebay (new bearing, seal, and o-ring), so that's in the car now. Seem to run like new, but I have to take a long road trip next week and I was thinking of taking this along - just in case my rehab skills don't cut it. I don't want to fry the car, though. Car: 1998 Nissan Altima. Distro manufactured by Hitachi. First photo shows how it is now after I had my way with it. Second shows how it should look. Thanks everybody.
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What's this electrical thing on my dizzy?-img_0012.jpg   What's this electrical thing on my dizzy?-img_0011.jpg  
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Old 03-12-2015, 09:51 AM
 
Location: NJ & NV
5,772 posts, read 16,586,846 times
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That looks like a capacitor or condensor, both names mean the same thing here, but I haven't seen one on a car since distributors had points in them. They are real cheap like less than $5 anyway just get the correct one.
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Old 03-12-2015, 09:55 AM
 
Location: San Antonio, TX USA
5,251 posts, read 14,246,115 times
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Looks like a capacitor.
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Old 03-12-2015, 10:17 AM
 
Location: NJ & NV
5,772 posts, read 16,586,846 times
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It seems like it comes with the distributor itself since I havent seen it listed separate anywhere.
When cars had points inside the distributor you had to have the right condensor on or she would not run. This might be just for knocking down radio noise or whining since I don't think you need it to run these days.
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Old 03-12-2015, 10:34 AM
 
Location: Prosper
6,255 posts, read 17,097,598 times
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That is a condenser, it's called a noise condenser/suppressor. It is to help minimize radio noise/whining.
The car will run without it, but as I said, you may notice more buzzing/noise from the radio when the engine is running.

It does look like it comes with the distributor, but you might be able to buy that piece separately from the dealer.
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Old 03-12-2015, 11:18 AM
 
Location: U.S.A.
3,306 posts, read 12,221,611 times
Reputation: 2966
It looks as if the wire does a single loop through the device. In which case it would be a an electronic choke; an inductor not a capacitor. You will need the device or at least continuity from one lead to the other, which apparently you no longer have seeing as how the wire is severed. Even though the purpose is to abate high frequency harmonics you will likely still need the connection it provides to and from other components.
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Old 03-12-2015, 01:23 PM
 
Location: Treasure/Space coast.
459 posts, read 619,853 times
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It is mainly to slow down the pitting of the points, car will run without it but not for as long !!!
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Old 03-12-2015, 05:54 PM
 
Location: Prosper
6,255 posts, read 17,097,598 times
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Quote:
Originally Posted by quattrohead View Post
It is mainly to slow down the pitting of the points, car will run without it but not for as long !!!
Uh, no. It's for noise and noise only.

Identifying and suppressing radio interference | How a Car Works
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Old 03-12-2015, 06:55 PM
 
2,151 posts, read 3,590,722 times
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Quote:
Originally Posted by quattrohead View Post
It is mainly to slow down the pitting of the points, car will run without it but not for as long !!!
A 1998 Altima does not have points.

By the latter '70s there were few cars left that used points.

That condenser is to suppress radio static.

A car that uses points will not generate usable spark without a condenser.



Don in Austin
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Old 03-12-2015, 06:57 PM
 
Location: Springfield
709 posts, read 766,220 times
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Quattrohead is right. The condenser is to prevent arcing across the points, which will cause pitting and corrosion. They were needed before electronic ignitions, when the points had to carry the full current of the coil primary.

How old is that car?
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