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wire colors

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Dec 17, 2010, 6:54 PM

Post #1 of 4 (615 views)
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where can i find a correct wire colors and what they go to for the fuel pump on my 1989 dodge B250 van with a 318

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Dec 17, 2010, 7:22 PM

Post #2 of 4 (610 views)
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Looks like it's the gray wire, the larger gauge one.......

If you want to give the circuit a good load and confirm power & ground in one shot. Just hook a headlight in between the power & ground circuits, if it lights up good & bright, you've got good power AND a good ground. If it's dim or doesn't light up then it's time to roll up your sleeves and go to work.....



Dec 18, 2010, 2:32 PM

Post #3 of 4 (594 views)
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how do you track down the fuel pump relay when it can not be found and it is nowhere to be seen

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Dec 18, 2010, 3:25 PM

Post #4 of 4 (590 views)
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One thing I forgot to mention is there will only be power at the fuel pump for 2 seconds with the KOEO. It would be best have a helper crank the engine over while testing for power and make double sure your test light does light up while testing. A bad ground for your light could send you on a wild goose chase..............


wire colors

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