fuel relay

[jlb]

I went to replace my fuel pump relay on my 90 bronco 351 and noticed I had a broken wire so I bought a new connector with harness so I could just splice it together but then i noticed There was 5 wires going into the relay from the old harness but there is only 4 on the new one so I guess what im asking could it be the wrong connector or could be a different design the connector its self is green or could it be possible its not even the fuel pump relay harness that needs replacing.

 

[miesk5]

yo,

In your year, the FP relay is Green and EEC Power Relay is Brown

Look @ wire colors, assuming a po or shop didn't rig it up

here is a wiring diagram showing both Relays;

Wiring Diagram in a 90

Source: by Seattle FSB (SeattleFSB) at http://www.supermotors.net/registry/media/854315

other diagrams, such as by Chilton show 5 wires to the EEC Power Relay (two Yellow instead on one; could have been a Ford change using the relay instead of a splice for the yellow)

http://content.chiltonsonline.com/content/images/8828/images/88286w09.pdf

I'll try & find the othewr relays' diagrams; but info from other owners is sketchy due to rig jobs through the years; maybe someone else here can post the info up for you.

TSB 89-14-17 Trailer Wiring Colors

1990 BRONCO, F-150, F-250, F-350

Trailer tow wire harness color codes have been revised to be compatible with SAE color code standards. When hooking up a vehicle to a trailer that has been wired according to the SAE standard, the wire color/circuits will match.

ACTION: Refer to the following Circuit Color Code Chart for the correct color/circuit usage.

CIRCUIT COLOR CODE CHART

CIRCUIT FUNCTION - OLD COLOR* - SAE COLOR*

Trailer LH Turn/Stop - LG/O - Y

Trailer RH Turn/Stop - O/LB - DG

Trailer Brake Lamp From Controller - R/LG - R/LG

Trailer Electric Brakes Solenoid - BL/BR - DB

Trailer Back Up - BK/PK - R/Y

Trailer Ground - W - W

Trailer Running/Tail - W/R - BR/W

Trailer Power (Battery Charge) - Y - O

Trailer Brake Control Feed - R - R

Color Key& Abbreviations

BL-Blue

BK-Black

BR-Brown

DB-Dark Blue

DG-Dark Green

LB-Light Blue

LG-Light Green

O-Orange

P-Pink

R-Red

W-White

Y-Yellow

Here is a trailer tow relay wiring diagram

http://content.chiltonsonline.com/content/images/8828/images/88286w24.pdf

 

[jlb]

Thank you for the information my next question is what is confusing must have been rigged up before i got the truck the problem is one of my wires broke in the connector I have a red a red with a green strip a black and 2 yellows the 2 yellows were spliced together and ran into the the connector as one can it be ran like this tried to find a pigtail and was gonna splice it all back together but cant seem to find one.

 

[miesk5]

yo,

OK, those colors are same as that EEC Power Relay in the Chilton

Check; RJM Injection Tech (by Ryan M (Fireguy50) @ http://www.rjminjectiontech.com/search?q=relay'>http://www.rjminjectiontech.com/search?q=relay

Ford EEC Relay pigtail $20.00, 4 female

http://www.rjminjectiontech.com/products/ford-eec-relay-con

FP Relay $20.00, 4 female

http://www.rjminjectiontech.com/search?q=relay

for other pigtails see (they seem to be del our Broncos now....):

Ford Motorcraft® (fordinstallersupport.com) - Wiring Pigtails Parts Catalog, Bronco/Ford truck & all Fords w/Ford part numbers & Illustrations (51MB pdf); 2005

http://www.fordinstallersupport.com/files/catalogs/wpt200.pdf

&

Ford Motorcraft® (fordtechservice.dealerconnection.com) Wiring Pigtails Kits Identification Guide, Bronco/Ford truck & all Fords w/Ford WPT & Long Version Part Numbers & Illustrations w/ Component Application, 2010

http://www.fordtechservice.dealerconnection.com/Renderers/ie/wiring/svg/images/connectorcatalog.pdf

OEHQ.com - Bronco/Ford truck Motorcraft connectors, pigtails, etc.

http://www.oehq.com/

Airtex® - Bronco/Ford truck connectors, switches (NSS, MLPS, etc.) ABS sensors, relays, fuel injectors & repair kits/FPRs, etc., blower motors/resistors, ignition modules, spark plug wires, rotos, caps, etc., EGR valves, water pumps, fuel pumps & fuel level sending units, voltage regulators, O2 sensors; etc.; many w/Ford part numbers

http://www.airtexproducts.com/

PICO (picocanada.com Canada) - Bronco/Ford truck electrical connectors, wire, switches, vacuum line connectors, terminals, blower motor resistor E7TZ-19A706-A

http://www.picocanada.com/