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Discussion Starter · #1 ·
Hi, I have a 2017 Defender -- 10,000 miles great ride. 2 days ago started to get odd electrical - headlights, taillights, winch and now cooling fan not working. At one point the 4WD icon came on but then went back to normal. The switch lights on those functions flashed on and off after the initial Checked fuses and relay - all good none blown. Other functions like the multifunction display working. Any ideas of what to check next
 

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Check battery voltage and battery connections.

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Discussion Starter · #4 ·
OK. I checked the battery voltage -- 13V on a 12V battery. This was after cleaning the connections and verifying that they were tight. I saw the lamp switch go on but not the headlights. So am now checking the wiring harness for damage etc. If you think I should check anything else let me know. If I find the failure mode that caused all this I'll keep you posted as knowledge is power!
 
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