Robert Hibbs Posted July 3, 2010 Share Posted July 3, 2010 I just bought a 75 and a 76 chinook out of a wreciking yard, When I hook jumper cables to the batery cables I get nothing. A friend who is helping me thinks that it could be a positive ground. A wiring digram would be a grate help, where can I find one. Quote Link to comment Share on other sites More sharing options...
Gulfstream Greg Posted July 3, 2010 Share Posted July 3, 2010 It will be a negative ground system in both. Start tracing wires, something somewhere is disconnected or has failed. Quote Link to comment Share on other sites More sharing options...
Derek up North Posted July 3, 2010 Share Posted July 3, 2010 I 2nd the '-ve ground'. What do you mean by 'nothing'? No lights? Dash lights? Quote Link to comment Share on other sites More sharing options...
Gulfstream Greg Posted July 3, 2010 Share Posted July 3, 2010 Get your hands on a chiltons that covers those years toyota trucks for the wiring diagram. Quote Link to comment Share on other sites More sharing options...
Robert Hibbs Posted July 4, 2010 Author Share Posted July 4, 2010 We did find it was negitive ground, We were not geting a good connection with the cables. After an afternoon of messing with it the old girl busted off. Thank you all for the responces. I suspect that you will be hearing a lot from me in the near future. Quote Link to comment Share on other sites More sharing options...
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