Having problems with your 1997 Ford F150 Regular Cab ?

Relay issue I own a 1997 F150. I am having problems because something is killing my battery. If i leave the battery connected the battery will die in about 2 or 3 days. I have done the easy things like check for lights that are left on. I was trying to trouble shoot with my father in law and he noticed one of my relays was clicking when I turned the key. I don't know if this has anything to do with it but can anyone tell me what the center relay in the aux relay box controls?

Posted / edited by AnonymousUser on : 16-04-2018

Answers :

I think fuel pump,did you try un-hooking the alternator?--if that fixed it then the alternator is shorted out---
If I read it correctly, this is the trailer tow adapter battery charge relay ( it is a ful size ISO Relay with 2 sets of half size ISO relays on each side of it ).

Check that we are talking about the same aux relay box ( picture below ) :

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Repair Help & Product Troubleshooting for 1997 Ford F150 Regular Cab

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