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.

fuel pump relay

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Old 03-13-2011, 05:19 PM
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sjd3021
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Default fuel pump relay

i have a 93 mustang, i want to replace the fp relay, i know its under my maf but there are 2 that are side by side that look the same, which relay is it, the one closer to the strut tower or the one closer to the air box. thanks
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Old 03-14-2011, 03:38 AM
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ttocs
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test it by pulling one out and then turning the key on and listen if you hear the pump charge.
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Old 03-14-2011, 02:57 PM
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g3mustang
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i thought it was under the front driver seat
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Old 03-14-2011, 05:28 PM
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sjd3021
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on older mustangs there under the seat. it looks like both relays are the same so with 100k miles on them, im going to replace them both.
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Old 03-15-2011, 11:25 AM
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just so i know the relay under my seat is the fuel pump relay 88 fox
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Old 03-15-2011, 02:03 PM
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sjd3021
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i think from 87-91 under the seat, 92-93 under the maf

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