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I just had a interlock device put into my 2005 yukon, now the truck won't start. Had the device taken out and still nothing. I try turning the key over and nothing. Need help please.
Tried taking device out and it still won't turn over.
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If it's an automatic check fuse #15 wether it's a stick or automatic you should have power at the red & black wire coming out of your ignition switch when you turn key to start postion and power at the red wire going into switch at all times. if no power coming oit on the red/black wire you need an ignition switch. if there is power coming out of switch try putting car in nuetral (for auto trans). if still nothing you'll need to check for power at small wire going to starter when key is turned to start. if has power then need starter if no power you'll need to check starter interlock relay.
try jumping if it jumps or you get power from a jump its your battery it can die over night this is common runs good one day then will not do it the next i would start there first if it turns over after a jump that is your problem.Replace the battery most batteries only last up to 18months
This is really confusing. What is it you are trying to fix? You are going in different directions all at the same time, which I am guessing is part of your problem. Are you trying to fix? A "no-start" problem? a "no-crank" problem a "cannot get shift lever out of PARK" problem or a problem with not being able to turn the key???
What was the original problem? - WHY did you replace the ignition switch? Did you replace the "IGNITION SWITCH" or did you replace the "KEY AND TUMBLER" assembly?
Disable WHAT interlock? The shift interlock ? What would that do to get your truck started? The gearshift interlock has absolutely NOTHING to do with the starting system. If your gearshift interlock is not working, the most likely cause is a bad brake lamp switch.
It sounds to me like you need to figure out what it is you want to fix before you jump in and go replacing any more parts. I do not mean to be offensive, but it really sounds like you are creating more problems than you are fixing at this point.
Define -
It attempts to turn over but won't catch and run ????
When you turn the key to start does the starter engage an spin the engine ? This would be a crank no start condition . If the starter doesn't engage an spin the engine this would be a no crank no start condition . Sorry to ask but i have only been an auto tech for thirty years an have heard a lot of different discriptions for these simple actions . crank no start or no crank no start . Very different diagnostic procedures . So when you turn the key to start , does the starter engage an spin the engine ,but won't start an run ?
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