What is the red wire coming off the fuel pump relay on a 1991 buick regal

SOURCE: 1991 buick park avenue will not run fuel pump is good and replaced the fuel filter

http://www.fixya.com/cars/t1810766-1991_buick_park_avenue_stop_running

Check out this link. It may help you with your problem.

SOURCE: 87 regal ignition switch wiring diagram

Thick wires at IGN SW .... Red(s) - supply power from the battery to the IGN switch ... Pink - ignition supply ... Orange - Accessory power ... Purple most RWD sometimes (Yellow most FWD) - Starter .. Did I miss any? It's been a while The thin wires on the IGN swich are for key sense and VATS (if applicable)

Dave C

• 1050 Answers
• Posted on May 11, 2009

SOURCE: Buick Regal dying

You have a problem in the fuel pump relay circuit for sure then. I'm betting the relay, but it could be that dropping resistor.

SOURCE: Fuel relay placement 1991 Buick LeSabre. Replaced pump & filter still won't start

Your vehicle's fuel pump relay is located on the relay center, behind the glove box, 2nd column of relays, 2nd one from the top.

SOURCE: trying to locate fuel pump relay for 1991 corvette- coupe

The fuel pump relay in the 1991 corvette is located under the IP on the pass side.
Open pass door, unscrew two screws under the glovebox (you will be upside down in the car), take off the fuse panel, unscrew third screw to plastic plate underneath glovebox, pull away carpet (velcro), pull down plastic plate (watch out for the wiring to the lamp), then under the glovebox you will find a number of fuses and relays if you dive in under there DEEP, prob 4 or 5 in a row, not really sure wich one, but one in the middle is the fuel relay, and they are the same (interchangable).
Take a look at --the12volt.com/relays/relays.asp--
It´s those relays we are talking about.