1990 Ford F-250 What exactly is a starter relay switch?

Tiny
CINDY TRACY
  • MEMBER
  • 1990 FORD F-250
  • V8
  • 2WD
  • AUTOMATIC
  • 105,000 MILES
Hi Guys. I was having trouble with my truck not starting so we replaced the battery, voltage regulator, starter & alternator before we discovered it was just a positive battery cable. While we were having the problem, I disconnected the trailer brake connection from the battery to elimanate that having a possible short & causing the problem. Last week we took the truck to the repair shop to have the trailer break connection reattatched & the system checked so we could pull a trailer. We were told our starter relay switch had a broken post & that is what powers the trailer breaks. Is a starter relay switch the same thing as a voltage regulator? I sure hope not because we only paid about $15.00 when we changed ours ourself. Although we paid over $200.00 to have it repaired. It seems to me that if the starter relay switch had a broken post you would be having some problems, wouldn't you? Thank you.
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Friday, January 16th, 2009 AT 10:11 PM

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Tiny
OBXAUTOMEDIC
  • EXPERT
Hi Cindy,

The relay switch they are refering to is located on the fender near the battery. You can easily replace it. Just follow the Possitive cable from the battery it will take you to the switch. It is not the same as the Voltage Regulator.

And as far as having other problems it would depend on if the switch has one or two small posts.

So, take a look for yourself and if you can take a pic and post it here.
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Friday, January 16th, 2009 AT 10:44 PM

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