SPONSORED LINKS

Still have power to the fuel pump relay and cruise control with key off

Tiny
JOHNPS
  • MEMBER
  • 1992 FORD AEROSTAR
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 350,000 MILES
I have replaced the ECM, fuel pump relay, ignition switch, starter relay, alternator and key switch but it still drains the battery. What is the problem?
Tuesday, January 29th, 2019 AT 7:55 PM

3 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hi Johnps, my name is Alex and I will be helping you.

You are having a parasitic draw issue. Here is a link along with a video at the end that will help you track your problem down. Let us know what you find out. Thanks. https://www.2carpros.com/articles/car-battery-dead-overnight
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Wednesday, January 30th, 2019 AT 12:50 PM
Tiny
JOHNPS
  • MEMBER
  • 2 POSTS
The problem I have does not involve accessories, the problem is that the power stays on to the fuel pump and the cruise control with the ignition off. I have replaced almost everything but haven't found the problem. Any suggestions?
Was this
answer
helpful?
Yes
No
Sunday, February 3rd, 2019 AT 2:19 PM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Okay, it sounds to me like you have a short to power in the A/C circuit somewhere. The A/C and fuel pump do use the same circuit. I am sending you wiring diagrams for both. Let us know what you find out. Thanks.
Images (Click to make bigger)
Thumb
Thumb
Was this
answer
helpful?
Yes
No
Sunday, February 3rd, 2019 AT 5:42 PM

Please login or register to post a reply.

Related Fuel System Fuel Pump Relay Content

Replace Your Fuel Pump Relay - Easy Steps
VIDEO
Replace Your Fuel Pump Relay - Easy Steps
Instructional repair video
VIEW MORE

Sponsored links