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Old 10-12-2019, 08:01 PM   #20351
cadillacdude1975
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Since we are on a starter discussion, mine still has an intermittent no start. Here is the list of what i have done...

New starter, new starter harness, new ignition switch, new starter relay (even used a known good one) checked and tested the clutch safe switch, and both battery cables are new. I installed a 12v feed to the solenoid to activate the starter when it wont work with the key. There are times it will start inside like normal in hot and cold weather, then it wont start unless i flip the switch.

The one thing i have noticed is when it has to be started with the switch, it will not work with the key while the engine is running. I can drive a mile to the store, then the key works. I have swapped every relay under the hood and inside the fuse panel. All power does what it should when the key is turned inside, but the damn starter will not engage. I am stumped.
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Old 10-12-2019, 08:04 PM   #20352
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Despite all that, it averaged close to 19 mpg towing that 3900 pound lexus.
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Old 10-12-2019, 10:51 PM   #20353
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Connection issue on wire to starter from switch, or switch getting ready to chit da bed?
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Old 10-13-2019, 12:38 AM   #20354
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Your ignition OK? Is your clutch relay OK? I found out that these trucks run the wiring really smart. No load on switches. All load goes through a relay so your clutch switch powers a relay.






Did this for the Audi today: Left is OE, right is modified. Still waiting on MH1 projectors for it.



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Old 10-13-2019, 01:23 AM   #20355
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I believe the clutch switch completes the ground for the starter relay, but I'm not 100% sure on that.

Picked up some 3M auto glass sealant for the rear window once I get around to that. Stuff's not cheap but I forgot all about the bag sale they do around this time of year. I ended up picking up a little rice grain bulb for the HVAC panels and a universal spark plug wire for our ancient engine at work, all for a little less than the sealant would have cost by itself.
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Old 10-13-2019, 01:40 AM   #20356
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According to Chilton's the clutch only runs the coil for the clutch relay which does the coil for the starter relay. The 4x4 interlock switch runs the coil for the interlock relay which is in parallel with the clutch relay.
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Old 10-13-2019, 02:04 AM   #20357
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That makes sense. I figured it has to positive-side switched otherwise the starter would run constantly if it were bypassed. Most of the other relays are ground side switched i believe.
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Old 10-13-2019, 03:28 AM   #20358
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I believe ours gets positive and negative from the wiring harness. Not sure what is what. According to the Chilton's it's positive switched.
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Old 10-13-2019, 03:33 AM   #20359
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Quote:
Originally Posted by SBJ View Post
I believe the clutch switch completes the ground for the starter relay, but I'm not 100% sure on that.

Picked up some 3M auto glass sealant for the rear window once I get around to that. Stuff's not cheap but I forgot all about the bag sale they do around this time of year. I ended up picking up a little rice grain bulb for the HVAC panels and a universal spark plug wire for our ancient engine at work, all for a little less than the sealant would have cost by itself.

Crap. I forgot to post Friday it was 25% off on Saturday instead of 20% ...in other news, the ECTT has returned from the mechanic. Nice being rigged for silent running once again.
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Old 10-13-2019, 04:58 AM   #20360
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Quote:
Originally Posted by Midnight Tech View Post
Crap. I forgot to post Friday it was 25% off on Saturday instead of 20% ...in other news, the ECTT has returned from the mechanic. Nice being rigged for silent running once again.
Don't remind me. I probably have half a dozen NAPA buckets by now. Maybe I will attempt to replace that bulb tomorrow if I have time. Glad to hear it's back on the road.
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