Chuck B 2004 Windsor Posted February 22, 2021 Share Posted February 22, 2021 Many of the ground wires used under the dash are terminated on ground buss located on the inside or outside of the firewall. Bill D recommended to loosen all the screws, spray the entire buss with WD 40, and tighten them back up. Chuck B Link to comment Share on other sites More sharing options...
Pepperell Posted February 22, 2021 Share Posted February 22, 2021 You might want to do this with Deoxit which is for this specific use. 1 Link to comment Share on other sites More sharing options...
vito.a Posted February 22, 2021 Share Posted February 22, 2021 Instead of WD40, I'd use DeOxit. https://www.amazon.com/DeOxit-Cleaning-Solution-Spray-spray/dp/B0002BBV4G/ref=sr_1_3?dchild=1&keywords=Deoxit&qid=1614012114&sr=8-3 Link to comment Share on other sites More sharing options...
Dennis H Posted February 23, 2021 Share Posted February 23, 2021 Oh! I thought this post was about coffee...sorry.... 😋...Dennis 1 Link to comment Share on other sites More sharing options...
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