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Registered
Join Date: Aug 2025
Posts: 52
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Is Wire Size Critical for a Temperature Sending Unit?
Last week I mounted a VDO oil temperature gauge in my 914 and earlier today installed the VDO sending unit in the sump. I have some 12 gauge stranded wire which is too large to fit the clip on adapters on each end. If I trim the wire on the ends will this be ok or will the larger wire cause the gauge to read wrong? IOW should I use a smaller diameter wire?
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09-25-2025, 05:06 PM
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Registered
Join Date: Feb 2013
Location: Middletown, CT
Posts: 278
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No. It's simply measuring impedance (or is it resistance?) and is very low amperage. The factory wire (0.5mm2) is roughly equivalent to 20AWG.
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1992 968 Coupe 1974 914 2L street car 1974 914 2L race car |
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09-26-2025, 08:14 AM
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