How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Dave Stewart Your Own Question
Dave Stewart
Dave Stewart, Mechanic
Category: Car
Satisfied Customers: 719
Experience:  35 + years experience in the automotive repair field
Type Your Car Question Here...
Dave Stewart is online now
A new question is answered every 9 seconds

GMC Holiday Rambler Imperial: I have a 1990 GMC 454 engine

This answer was rated:

I have a 1990 GMC 454 engine in my 33ft Holiday Rambler Imperial motorhome. Need the fuel pump relay location.vHoliday Rambler isnt in business any more so I cant call them. The VIN# XXXXX XXXXX There isnt any power to the fuel pump in the tank.


Cindy Wallace


this is a p series chassis and the fuel pump relay should be mounted at the upper right side of the firewall . See picture. Let me know if you need more help,



Dave Stewart and 3 other Car Specialists are ready to help you
Customer: replied 4 years ago.

Thank you, XXXXX XXXXX cant get the whole picture to print out. But I have marked it hopefully so my mechanic gets the point. This has been very helpful.


Hi Cindy,

Sorrry about the picture, if you will save it in your My Pictures and then print it from there the picture should come out right. The rambler uses the GM P series Chassis picture.