Ballast-ic Posted May 24, 2020 Share Posted May 24, 2020 My indicators are only working intermittently and often just flash once and then stop. Both sides are affected. Sometimes I can flick the switch again and they work, but not often and sometimes they just work fine. Car is a 2006 kit Roadsport Superlight. I can't find a wiring diagram so if anyone has one that would be useful. Presumably it is a loose connection somewhere, but where? Any suggestions for troubleshooting will be most appreciated. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted May 24, 2020 Member Share Posted May 24, 2020 Private Message sent.Jonathan Link to comment Share on other sites More sharing options...
SM25T Posted May 24, 2020 Share Posted May 24, 2020 Work that hazard light switch hard a few times to clean up the internal contacts. Also check all the relay modules are pressed home behind the fuse rail. Link to comment Share on other sites More sharing options...
Ballast-ic Posted May 25, 2020 Author Share Posted May 25, 2020 Working the hazard switch didn't help and relay is seated OK. Replacement of the relay seems a reasonable first step. Are the relays pretty standard, so any 3 pin 12v relay will work. The one fitted appears to be a Peugeot one! Then I'll take apart the hazard switch and clean that up and check earths on the lampholders. Link to comment Share on other sites More sharing options...
ECR Posted May 25, 2020 Share Posted May 25, 2020 You can often prize the lid off the relay and clean the contacts in there... Link to comment Share on other sites More sharing options...
SM25T Posted May 25, 2020 Share Posted May 25, 2020 There are relays and a bigger flasher unit in that rail Link to comment Share on other sites More sharing options...
John Vine Posted May 25, 2020 Share Posted May 25, 2020 Bear in mind that the "hazard relay" is really an "indicator relay", and is there to ensure that the indicator switch is under ignition-switch control.Do all indicators work normally when you turn on the hazard switch? If so, the indicator relay circuit is suspect. First, ensure that the hazard switch is firmly in the OFF position (press hard), and then try the indicators again. If no good, try swapping in one of the other relays as a test. Also check that the connectors at the back of the relay have not become dislodged.JV Link to comment Share on other sites More sharing options...
AnkerB-S Posted May 25, 2020 Share Posted May 25, 2020 It sounds like you have the same problem as I had. Check the connections on the alternator. On mine two of the three were loose. Does the horn have the same problem? If it does, then it definitely is that cause. Link to comment Share on other sites More sharing options...
Ballast-ic Posted May 25, 2020 Author Share Posted May 25, 2020 I have put in a relay from friend's Caterham and that seems to have fixed it, so dodgy relay is primary suspect so have ordered up a new one. AkersB-S, horn works and connections on alternator are OK, but thanks for the suggestion.Thanks to all for their advice. Being a newbie to Caterhams and having to get the spanners out, it is very reassuring to have such a body of knowledgeable and helpful folk out there Link to comment Share on other sites More sharing options...
John Vine Posted May 25, 2020 Share Posted May 25, 2020 Glad to hear you've diagnosed it, and thanks for reporting back!JV Link to comment Share on other sites More sharing options...
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