Electric fuel pump wiring

Get answers to Bronco-related technical issues.
Post Reply
User avatar
mickphatmac
Official CCB Member
Official CCB Member
Posts: 1810
Joined: Fri Mar 16, 2012 9:26 am

Electric fuel pump wiring

Post by mickphatmac »

Where is the best place to ΓÇ£wireΓÇ¥ my fuel pump?

I will be mounting it on the frame rail very close to my rear main tank and grounding it there as well.
Where is the best and EASIEST place to run the hot wire?
You do not have the required permissions to view the files attached to this post.
1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
User avatar
mickphatmac
Official CCB Member
Official CCB Member
Posts: 1810
Joined: Fri Mar 16, 2012 9:26 am

Re: Electric fuel pump wiring

Post by mickphatmac »

So can I run the hot wire from the pump up to the ΓÇ£IΓÇ¥ terminal of the starter solenoid? Will that give me constant power in the on position?
You do not have the required permissions to view the files attached to this post.
1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
User avatar
Gunnibronco
Official CCB Member
Official CCB Member
Posts: 4077
Joined: Mon Jan 03, 2011 5:07 pm

Re: Electric fuel pump wiring

Post by Gunnibronco »

That is a fine pick up point for the wiring. I'd fuse it, or use a relay depending on the amps of the pump. You might consider a fuel shut off switch that is used in case of an accident. A heavy impact will trip the switch and shut off your fuel pump. They are used on lots of factory fuel injection systems. I'm sure you can find one in most salvage yards.

https://www.cjponyparts.com/ford-fuel-p ... F5EALw_wcB
"America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." ΓÇô Claire Wolfe
74-AWB 98", ZF5, Atlas4, HP609s, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, 4x4x2 hyrdo assist, custom dash & gauges
72 U15- Explorer Sport-Candyapple Red (1 of 141)
User avatar
mickphatmac
Official CCB Member
Official CCB Member
Posts: 1810
Joined: Fri Mar 16, 2012 9:26 am

Re: Electric fuel pump wiring

Post by mickphatmac »

Awesome! Thanks Gunni!
1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
User avatar
D&D72
Official CCB Member
Official CCB Member
Posts: 989
Joined: Sun Sep 11, 2011 9:49 pm

Re: Electric fuel pump wiring

Post by D&D72 »

I may have one in my box o stuff. I'll check but, they are cheap at a junk yard and you can cut off the connector too.
That guy John.... whatta Jerk.
User avatar
ZOSO
Moderator
Moderator
Posts: 3910
Joined: Mon Nov 15, 2010 4:58 pm

Re: Electric fuel pump wiring

Post by ZOSO »

You may want to measure voltage off that post. For some reason I believe it only provides about 9volts as it's running.
Rob

74 Ranger EFI351w, 4r70w, ARB 5.13 9in, ARB 5.13D44, and a bunch of other goodies. Best of all the family memories.

04 Mustang Cobra, KenneBell 2.2 feeding a lot of boost on E85. Tire shredding machine

New project: 77 Bronco Ranger, body work and more body work.

Very little left of a 72 durango tan explorer sport
User avatar
mickphatmac
Official CCB Member
Official CCB Member
Posts: 1810
Joined: Fri Mar 16, 2012 9:26 am

Re: Electric fuel pump wiring

Post by mickphatmac »

ZOSO wrote:You may want to measure voltage off that post. For some reason I believe it only provides about 9volts as it's running.

Interesting...Come to think of it, I may remember reading something about 12v at startup to fire the engine but drops to lower voltage for coil?
Thanks!
1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
horseplay
Official CCB Member
Official CCB Member
Posts: 408
Joined: Mon Jan 21, 2013 7:24 pm

Re: Electric fuel pump wiring

Post by horseplay »

That is correct you don't want to use that I terminal. come from ignition hot to a relay to carry the load of the fuel pump.
User avatar
mickphatmac
Official CCB Member
Official CCB Member
Posts: 1810
Joined: Fri Mar 16, 2012 9:26 am

Re: Electric fuel pump wiring

Post by mickphatmac »

horseplay wrote:That is correct you don't want to use that I terminal. come from ignition hot to a relay to carry the load of the fuel pump.

I was just trying to make it a little easier by bypassing the ignition switch which the installation fought me like a SOB!!!!!!!
1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
User avatar
Gunnibronco
Official CCB Member
Official CCB Member
Posts: 4077
Joined: Mon Jan 03, 2011 5:07 pm

Re: Electric fuel pump wiring

Post by Gunnibronco »

horseplay wrote:That is correct you don't want to use that I terminal. come from ignition hot to a relay to carry the load of the fuel pump.


Sorry for the bad advice. I guess I haven't even worked on or driven a Bronco in so long I can't remember how things work. I don't remember what is hooked up to the starter solenoid anymore.
"America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." ΓÇô Claire Wolfe
74-AWB 98", ZF5, Atlas4, HP609s, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, 4x4x2 hyrdo assist, custom dash & gauges
72 U15- Explorer Sport-Candyapple Red (1 of 141)
User avatar
mickphatmac
Official CCB Member
Official CCB Member
Posts: 1810
Joined: Fri Mar 16, 2012 9:26 am

Re: Electric fuel pump wiring

Post by mickphatmac »

Gunnibronco wrote:
horseplay wrote:That is correct you don't want to use that I terminal. come from ignition hot to a relay to carry the load of the fuel pump.


Sorry for the bad advice. I guess I haven't even worked on or driven a Bronco in so long I can't remember how things work. I don't remember what is hooked up to the starter solenoid anymore.

No worries!!!
I know the RIGHT way... I was just looking for an easy way!
1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
Post Reply