DBTKDT Posted April 4, 2011 Report Share Posted April 4, 2011 Just noticed my 05 e-fans on my 03 silverado aren't working!was talking to my neighbor with the truck in park while running and looked a the temp gauge and it was climbing fast! I have 05 fans with the blackbear harness and have been installed in my truck for three months and no issues at all. I need some help fast on where to even start? Help Quote Link to comment Share on other sites More sharing options...
lilmarv1117 Posted April 4, 2011 Report Share Posted April 4, 2011 Check the fuses in the relay box...I blew mine about 5000miles ago.. Quote Link to comment Share on other sites More sharing options...
DBTKDT Posted April 4, 2011 Author Report Share Posted April 4, 2011 Check the fuses in the relay box...I blew mine about 5000miles ago.. in the harness? Quote Link to comment Share on other sites More sharing options...
kckid1695 Posted April 4, 2011 Report Share Posted April 4, 2011 I bet it is in the relays. Mine would go out with the nelson harness. I ended up building a better harness with 75 amp relays. The old relays would melt down. Had them change for three years with no problems. Quote Link to comment Share on other sites More sharing options...
DBTKDT Posted April 4, 2011 Author Report Share Posted April 4, 2011 I bet it is in the relays. Mine would go out with the nelson harness. I ended up building a better harness with 75 amp relays. The old relays would melt down. Had them change for three years with no problems. How do you know if its the relays? They look ok, i took them out and cleaned them. Anyway to check them? Quote Link to comment Share on other sites More sharing options...
kckid1695 Posted April 4, 2011 Report Share Posted April 4, 2011 (edited) Look at the terminals. Might be melted around them. Try changing them around or pick up some new ones to try. One other thing check the grounds, and where did you ground the fans at? Edited April 4, 2011 by -kckid- (see edit history) Quote Link to comment Share on other sites More sharing options...
DBTKDT Posted April 4, 2011 Author Report Share Posted April 4, 2011 Look at the terminals. Might be melted around them. Try changing them around or pick up some new ones to try. One other thing check the grounds, and where did you ground the fans at? Alternator bracket, the terminals looked ok, i'll check out the ground tomorrow. Thank you for your help tonight! Quote Link to comment Share on other sites More sharing options...
DBTKDT Posted April 4, 2011 Author Report Share Posted April 4, 2011 I cleaned the relays and everything is working again. They were a little gooped up? Thanks for everyones help. Quote Link to comment Share on other sites More sharing options...
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