1990 f150 dual tanks

Asked by emanon Nov 02, 2014 at 09:14 PM about the Ford F-150

Question type: General

An adjustment to my dual tank issue. The relay box is missing from over left side of wheel well, under hood. Relays just laying on wheel well The 2 square relays (unmarked) are black/brown & black/green. Previous owner was a wire butcher. Question still remains the same. Are there more than one relay for a dual tank 1990 f150? Looking forward to a favorable response. Thank you.

2 Answers
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T_S_T answered 9 years ago

There is only one relay for both,here,s a diagram of it.

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Ida answered 4 years ago

1995 f-150 I changed fuel pumps and,fuel pumps is not shutting off checked fuel relay fuse and it's good. What could be the problem?

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