Correct voltage to the coil

[algg]

want to ask question about the correct voltage to the coil. I am running 6V battery of my 1966, voltage measured at the battery is 6.6V while in the coil is 4.6V.

I found it is hard to start the engine ESP during winter time. Wonder if i have the enough Voltage or Current to the coil.

thank you.

[Komissar]

You have a voltage drop because of aging electrical system. Clean all connections of corrosion (and other types of dirt/grime) between battery -> ignition switch (plus fuse box) -> ignition coil.
Inspect the wires as well - check for cracks, aging and so on.
And of course, clean the battery terminals and clamps.
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1965 Sunroof Beetle
1972 Type 3 Squareback
1978 Skoda 105S

[gt1953]

When i had my 59 6 volt it was like yours till I cleaned every electrical connection. Got it up to 5.8 volts.
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Volkswagen: We tune what we drive.
Numbers Matching VW's are getting harder to find. Source out the most Stock vehicle and keep that way. You will be glad you did.

72 type 1
72 Squareback
({59 Euro bug, 62, 63, 67, 68, 69, 73 type ones 68 & 69 type two, 68 Ghia all sold})

[algg]

thank you all. i have clean up every contact from battery, regular, light switch, ignition switch, fuse and coil. Voltage measured at Coil is now 5V. A bit better.

[Eric&Barb]

http://www.thesamba.com/vw/forum/viewtopic.php?t=538339

Keep going thru the connections, measuring how much voltage is getting each. You should easily get the voltage drop to less than 1/10 of a volt.
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In Stereo, Where Available!