1986 Jaguar Vanden Plas Temperature Guage Reading

1986 JAGUAR VANDEN PLAS
136,000 MILES • 6 CYL • 2WD • AUTOMATIC
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ROBGUT11
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  • 1 POST
Why does my temperature guage read higher when I turn the headlights on? The other guages are not affected.
Mar 26, 2009 at 6:20 PM
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DAVE H
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  • 13,384 POSTS
the guage must be getting a slight power feed from the light's circuit !
Nov 27, 2009 at 6:22 AM