Moparmike Posted July 27, 2021 Share Posted July 27, 2021 Ok guys key switch turns everything on but will not start truck Got new switch something If I hook to the the wires on firewall truck cracks runs Any help is appreciated Thank you in advance Quote Link to comment https://www.bigmacktrucks.com/topic/67515-2000-rd690s-key-switch/ Share on other sites More sharing options...
tjc transport Posted July 27, 2021 Share Posted July 27, 2021 If you turn key to start and do not have power on the small terminal at the firewall starter relay, either the ignition switch is bad or the wire between switch and relay is bad. I would start with changing the switch. Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/67515-2000-rd690s-key-switch/#findComment-477482 Share on other sites More sharing options...
Moparmike Posted July 27, 2021 Author Share Posted July 27, 2021 Yeah I put a new switch something So replace wire from switch to relay I think it's 3 wires I believe Quote Link to comment https://www.bigmacktrucks.com/topic/67515-2000-rd690s-key-switch/#findComment-477490 Share on other sites More sharing options...
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