Thread: coil question
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10-08-2009 09:22 AMGetting bad advice is unfortunate, taking bad advice is a Serious matter!!
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10-08-2009 09:40 AM
Mercury also found out that oil filled type coils should be mounted vertical not horizontal.
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10-08-2009 05:53 PMAre you guys using filter capacitors in line on the 12V and ground wires for your ignition boxes? The MSD literature lists it as a noise suppressor but the Crane manual and the MSD tech I got on the phone both said it is to protect against surges and spikes in power.
I did have them on my Crane boxes and my battery charger still cooked them so I am not sure how effective they are. Crane included a Mallory unit that has on the label "good for surges of up to 20V".
My charger is the built in unit provided by Cigarette.
.32' Fever (Off to Syracuse) and 36"Gladiator; FORD powered
Cause somebody has to!
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10-09-2009 06:03 PMIn all the Crane ignitions, they want you to place a capacitor in line on the 12V and ground lines to the ignition box. They said to protect angainst spikes and surges.
They supplied a Mallory unit that claimed to protect up to 20V. (I must have exceeded that on the charger)
MSD, according to their Tech line also suggests the capacitor, but they label it as a Radio noise suppressor. It looks just like the mallory unit but red. Tech told me it is also for spikes and surges but the instructions that come with it don't mention that at all.
I installed it even though I can't hear the radio while running. Does everyone following this thread use these?32' Fever (Off to Syracuse) and 36"Gladiator; FORD powered
Cause somebody has to!
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10-10-2009 07:13 PMwww.merperformancemarine.com
843-399-8785
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10-11-2009 08:02 PMHow do you connect your power source lines? Do you use a toggle or perko switch for the big red heavy gauge power line or direct connect to the positive terminal of the battery?
.32' Fever (Off to Syracuse) and 36"Gladiator; FORD powered
Cause somebody has to!
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10-12-2009 08:07 PMI hook mine to the powered side of the slave solenoid.
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10-12-2009 08:32 PMWell, I run to the battery terminal like the friggin instructions told me to do but I need a cut off switch so everything is off when it is on the trickle charger.
.32' Fever (Off to Syracuse) and 36"Gladiator; FORD powered
Cause somebody has to!
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10-12-2009 09:45 PMMark
Everybody should believe in something; I believe I'll have another drink.
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10-13-2009 11:30 AMIf you want piece of mind you can always run the wire to the back of the battery switch so it's always turned off when you turn the switch off. Other than automatic bildge pumps, I don't recommend having power to anything when the switch is off. Even though the box doesn't draw unless the ignition is on, I like knowing all the power is cut.
I ran mine to the powered side of the slave solenoid because it's the closest connection and easiest to get to! I've seen a lot of guys put the terminal on the starter and have box problems due to corrosion and also power surges when cranking. My theory of putting it on the slave solenoid was so there was some distance from the cable on the starter and the box connection.
On my setup the slave solenoid is on the rear of the cylinderhead, along with the harness connector and the main ground so everything is in one place and I don't miss anything when I'm hooking stuff up or taking stuff off!
I don't run the filter either but I think I'm going to give it a try and see if it fixes the radio interference... I guess I'll have to report back next year on that!