Early Bronco

1987 full size bronco power to fuel pump issue

Hello! Fuel pump issue. My truck has been running fine but one morning it would not start and I could not hear the fuel pump priming. a few hours later it started like normal. Drove fine everyday for around 2 weeks then one morning it would not start again, at all.

After doing some research I found that there should be 12v power to wires numbered 4 and 2 on the fuel pump relay connector, I had 12v at 2 (red wire, low current circuit) but there was nothing at 4 (yellow/brown wire, high…

1987 full size bronco power to fuel pump issue

Hello! Fuel pump issue. My truck has been running fine but one morning it would not start and I could not hear the fuel pump priming. a few hours later it started like normal. Drove fine everyday for around 2 weeks then one morning it would not start again, at all.

After doing some research I found that there should be 12v power to wires numbered 4 and 2 on the fuel pump relay connector, I had 12v at 2 (red wire, low current circuit) but there was nothing at 4 (yellow/brown wire, high…

1987 full size bronco power to fuel pump issue  

BRONCO RAPTOR BLACK APPEARANCE PACKAGE DEBUTS UNDER TOTAL SOLAR ECLIPSE

BRONCO RAPTOR BLACK APPEARANCE PACKAGE DEBUTS UNDER TOTAL SOLAR ECLIPSE

Bronco Raptor Black Appearance Package joins Code Orange package, giving customers yet another way to pair extreme desert capability with…

BRONCO RAPTOR BLACK APPEARANCE PACKAGE DEBUTS UNDER TOTAL SOLAR ECLIPSE

Bronco Raptor Black Appearance Package joins Code Orange package, giving customers yet another way to pair extreme desert capability with…

BRONCO RAPTOR BLACK APPEARANCE PACKAGE DEBUTS UNDER TOTAL SOLAR ECLIPSE  

Fuel Pump Relay Questions

88 bronco 5.0
My fuel pump relay will not turn on with key ignition but I can hit wire the pumps by pulling wire out of the relay and crossing them. Is this a fuel pump relay problem or a pcm relay problem. The weird part about this is that a few days ago I drove it over 5 hours and it operated fine

88 bronco 5.0
My fuel pump relay will not turn on with key ignition but I can hit wire the pumps by pulling wire out of the relay and crossing them. Is this a fuel pump relay problem or a pcm relay problem. The weird part about this is that a few days ago I drove it over 5 hours and it operated fine  

Fuel Pump Relay Questions

88 bronco 5.0
My fuel pump relay will not turn on with key ignition but I can hit wire the pumps by pulling wire out of the relay and crossing them. Is this a fuel pump relay problem or a pcm relay problem. The weird part about this is that a few days ago I drove it over 5 hours and it operated fine

88 bronco 5.0
My fuel pump relay will not turn on with key ignition but I can hit wire the pumps by pulling wire out of the relay and crossing them. Is this a fuel pump relay problem or a pcm relay problem. The weird part about this is that a few days ago I drove it over 5 hours and it operated fine