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03-19-2008, 10:51 AM
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#1 (permalink)
| | Junior Member
Join Date: Feb 2008
Posts: 5
|  97 EXPED Lighting/ - A/C Blower Motor Problem!!
Hey guys hope you can help me. I have a 1997 expedition and when I have the lights on....and turn the A/C or Heater Blower motor on is kicks of the lighting system....for example the turn signals will not work. But when i turn the system to off everything returns to normal. It seems as if a ground or something is off.
Thanks for your help, Brad | 
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03-19-2008, 12:04 PM
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#2 (permalink)
| | Senior Member
Join Date: Jan 2008 Location: Holton, MI
Posts: 182
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You Have a Bad Ground on your system. Best Bet ... Dealership. That way you know if fixed. As a firefighter i have seen these little problems turn into Fully involved car fires.
__________________
1984 Mustang GT350 20th Anniversary Cobra
1991 Ford Explorer
1993 Ford F-150 300 I6 5 Speed
1999 Ford Taurus Wagon
"Don't Crush Them ... RESTORE THEM"
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03-19-2008, 01:35 PM
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#3 (permalink)
| | Senior Member
Join Date: Mar 2007
Posts: 319
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I agree with ajpletrcher--a ground problem. Clean both battery terminals. Clean the connection between the negative cable and the body, the negative cable and the engine, the engine and the firewall. If that still doesn't fix it, clean the ground wires under the dash. Use a wire brush or steel wool and coat the connection with dielectric silicone grease after cleaning to prevent corrosion. | |
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03-20-2008, 08:59 AM
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#4 (permalink)
| | Junior Member
Join Date: Feb 2008
Posts: 5
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hey thanks for the info guys.... I appreciate it. | |
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