FIREMAN Posted December 26, 2020 Share Posted December 26, 2020 Anyone know where I can find a Wiring diagram? It's a 1986 RD688s Thanks in advance Quote Link to comment https://www.bigmacktrucks.com/topic/65377-rd688s-wiring-diagram/ Share on other sites More sharing options...
Vladislav Posted December 26, 2020 Share Posted December 26, 2020 You can try this R-model diagram from this site's Wiki section. But checking it out it apperaed to me that it differed from my 1988 R and later models. Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/65377-rd688s-wiring-diagram/#findComment-466170 Share on other sites More sharing options...
FIREMAN Posted December 27, 2020 Author Share Posted December 27, 2020 Thanks That's a good start Quote Link to comment https://www.bigmacktrucks.com/topic/65377-rd688s-wiring-diagram/#findComment-466218 Share on other sites More sharing options...
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