5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Relay question??

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Old Jul 14, 2008 | 07:41 PM
  #1  
15austin's Avatar
15austin
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From: SW Missouri
Default Relay question??

Anybody know what the relay is for on the fender well right behind the mass air?
Old Jul 14, 2008 | 08:41 PM
  #2  
mjr46's Avatar
mjr46
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From: West Virginia
Default RE: Relay question??

the a/c wot relay is located near there..that may be it
Old Jul 14, 2008 | 10:46 PM
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FivePointOhh's Avatar
FivePointOhh
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From: Iowa
Default RE: Relay question??

behind the mass air? i know there is the connection to the O2 sensor there but the relay....i think mjr is right about the a/c WOT relay

you refering to what ive circled in this picture?

Old Jul 15, 2008 | 12:23 AM
  #4  
Blckstng93's Avatar
Blckstng93
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From: PA
Default RE: Relay question??

There should be 2 identical relays under the mass air sensor. One of them is the WOT relay, and the other is the fuel pump relay. I dont remember which one is which tho.

Then again, i have a 93. Not sure about an 88. If your fuel pump relay is under the seat then the relay youre asking about is probably the WOT.
Old Jul 15, 2008 | 02:11 AM
  #5  
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lxman1
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From: Louisville, Ky.
Default RE: Relay question??

It's the a/c relay.
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