johnmarines
10+ Year Contributor
- 377
- 3
- Jun 1, 2008
-
houston,
Texas
Ok guys today I was sitting at idle while I waited for my kid to get out of practice and noticed my temp gauge going up. When I got home I noticed my cooling fans were not coming on. I checked the box in DSMLink to turn on the fans and it didn't work. I then turned on the A/C and they still didn't turn on. I'm at a loss.
I have SPAL fans which I wired through a relay to activate from the stock signal wire. I checked all the relays in the engine fuse box along with all the fuses. I also checked the aftermarket Bosch relays I installed and they checked out good also. The relays do have power (verified it through a volt meter. I can use a jumper wire to turn on the fans by applying power to the signal wire from the battery. I am thinking maybe my signal wire has a break or my ECU maybe screwed up.
Does anyone know what wire coming off the ECU controls the fans to turn on?
When I check the voltage from the ECU should it be 5v or 12v?
I have SPAL fans which I wired through a relay to activate from the stock signal wire. I checked all the relays in the engine fuse box along with all the fuses. I also checked the aftermarket Bosch relays I installed and they checked out good also. The relays do have power (verified it through a volt meter. I can use a jumper wire to turn on the fans by applying power to the signal wire from the battery. I am thinking maybe my signal wire has a break or my ECU maybe screwed up.
Does anyone know what wire coming off the ECU controls the fans to turn on?
When I check the voltage from the ECU should it be 5v or 12v?
