lee_leggett
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| posted on 2/4/09 at 09:37 PM |
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Ballast Resistor on a Cross Flow
Can anyone tell me If i should have a ballast resistor type coil on my 1300cc cross flow or not. I burnt out the old coil, due to a faulty wire, then
changed teh coil, and thought i fixed the wire however again the coil seems hot, should i be using a ballast ? i do not believe it has or had one, and
was running ok, pre me trying to fix it.
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Roman
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| posted on 2/4/09 at 09:45 PM |
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See here for all you need to know.
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stevebubs
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| posted on 2/4/09 at 11:04 PM |
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I Swapped my original xflow coil for one from (I think) an MGB which didn't need a ballast resistor.
Didn't seem to adversely affect the points / condensor
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02GF74
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| posted on 3/4/09 at 06:15 AM |
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it depends on the loom. the ballast resistor is a mysterious looking thick wire.
to check, measure voltage to coil when the igntion is on - would be about 9 Volt otherwsie if 12 V, then no ballast.
fit coil accordingly.
non ballast coil has 3 ohm resistance across input terminals, ballast is 1.5 ohm - again you would use you muyltimeter set to ohm or resitance range
to check this.
the points nor the condenser in the distributor are not affected by and if this.
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britishtrident
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| posted on 3/4/09 at 06:18 AM |
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Coils get hot it is normal -- but don't leave the ignition on with the engine stopped.
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rusty nuts
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| posted on 3/4/09 at 06:14 PM |
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quote:
Originally posted by 02GF74
the points nor the condenser in the distributor are not affected by and if this.
Fitting a ballast resistor coil without the ballast resistor WILL cause the condenser to fail .. Guess how I know! Probably your best bet if you can
find one is a Valencia distributor and coil . Much more reliable than clockwork ignition, made a big improvement on my car
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