G503 WWII 1944 Ford GPW Type II Filter Suppression Capacitors
This article describes the Electrical Type II Filter Suppression Capacitor researched by Mark Tombleson.


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1. The Type II Suppression that Nabholtz shows as starting Dec 43 MB serial # 289001, but Ford did not start till Oct 44, and unclear as to which plant started. Here is a list of filters that you need for the Type II Suppression. |
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2. FM GPA 18841 filter, .5 MFD., mounted on starter motor switch on the hot terminal side. |
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3. FM GPW 18937 filter, 0.01 MFD., mounted to ignition switch on the hot terminal side. |
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4. FM GPW 18935-B filter, 0.1 MFD., mounted on coil stud… is the stud attaching the coil bracket to the block, using the stud closest to the rear of the |
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5. FM GPW 18935-A filter unit, .1 MFD, generator ground to armature circuit mounts on the screw for the generator ground and attaches to the armature terminal of the generator. |
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6. FM GPA 18841 filter unit, .5 MFD, for the radio terminal box found under the passengers seat (box bolts into 4 holes in side panel). |