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Ron Douglas
Active Member

13 Posts
Posted - 07/15/2015 :  1:14:31 PM  Show Profile  Visit Ron Douglas's Homepage  Reply with Quote
I have a 2008 freightliner cummins ISB07 that will not crank over. Ign switch is sending signal to the bhm but no signal output from bhm to starter relay. I can jump the relay and all is well.Thomas C2 bus.The Trans says neutral and the back door is shut, but I am missing something.Any help is good. Thanks

buster133
Top Member

USA
512 Posts
Posted - 07/15/2015 :  2:58:44 PM  Show Profile  Reply with Quote
Are there any lights on the dash?(range inhibit, check trans)
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tigger2
Advanced Member

USA
470 Posts
Posted - 07/16/2015 :  04:24:15 AM  Show Profile  Click to see tigger2's MSN Messenger address  Reply with Quote
Which starter relay were you testing the one by the coolant reservoir or the one on the starter? The one up top is the interlock relay.
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Ron Douglas
Active Member

13 Posts
Posted - 07/16/2015 :  05:23:25 AM  Show Profile  Visit Ron Douglas's Homepage  Reply with Quote
The simple things just trip you up. The back door switch was bad/dirty. All is fine now. Thanks
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