JimiGibbs Posted February 22 Share Posted February 22 Just wired up my Hella 450driving lights.... When I flip the switch I hear the relay click but no lights. Am I correct to assume I have a bad connection between the relay and the lights? Pretty sure everything else it wired correctly.... THANKS Link to comment Share on other sites More sharing options...
Eagle_SX4 Posted February 22 Share Posted February 22 If they are wired up using the factory wiring, the headlights need to be on. Link to comment Share on other sites More sharing options...
JimiGibbs Posted February 22 Author Share Posted February 22 Yea.... Still doesn't work with the headlights on. About to go start doing some troubleshooting. Link to comment Share on other sites More sharing options...
Gojira94 Posted February 22 Share Posted February 22 Relay has power and ground, so that's good at C175 relay pins 85 & 86, and C102 pins 2 and 5 (10-way connector behind left headlight). (Convenient time to check/ clean C102 pins for good measure) C102 pin 6 should read hot at all times. Relay C175/ pin 87 should send 12V to C370 & C371 pin B with the headlights and fog light switch on. A single splice feeds power from relay pin 87 to both fog lamps on their pin B. Check incoming power on pin B A single splice provides ground for both fog lamps on their pin A. Check continuity from C370 & C371 pin A to body ground G103 in the inner LH fender panel. Link to comment Share on other sites More sharing options...
JimiGibbs Posted February 24 Author Share Posted February 24 Well.... after I checked the switch , checked the relay and checking continuity of all wires..... It was a bad ground on the lights themselves. Link to comment Share on other sites More sharing options...
garyweb3 Posted February 24 Share Posted February 24 I had the same problem on my fog lights. Link to comment Share on other sites More sharing options...
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