Gm Tbi Pickup Coil Wiring


Gm Tbi Pickup Coil Wiring - span class news dt aug 20 2012 span nbsp 0183 32 gm tbi wiring the gm tbi system i m installing uses an 8 pin ignition module the 8 pin module has two pins for the distributor pickup coil p and n a connection for power hot in start and on a negative coil connector c a ground and four wires that connect to the ecm p div class b factrow b twofr div class b vlist2col ul li div author mike shimniok div li ul ul ul div div div li span class news dt oct 21 2009 span nbsp 0183 32 try again if you still have nothing the pick up coil is faulty and the cause of the no start condition replace the pick up coil test 8 other misfire causes there are several other things besides a no spark problem to a specific spark plug wire that can cause a misfire condition on your gm vehicle the things that you may need to look at tbi wiring harness conversion first you need to go to junk yard and pull the engine efi.

harness or plete system if you can there will be a lot of extra things don t worry about them now grab it all as whole as you can span class news dt oct 21 2009 span nbsp 0183 32 you ll test the following ponents ignition control module spark plug wires distributor cap and rotor and ignition coil and pick up coil of the gm 4 3l 5 0l this pick up coil signal is sent directly to the ignition control module the ignition module upon receiving this pick up coil signal for all intended purposes it s a remove the rotor and pick up coil leads from the module using an ohmmeter attach one lead to the distributor base and the second lead to one of the pick up coil terminals of the connector as shown in test 3 in the ac panying figure the reading should be infinite if not the pick up coil is defective span class news dt sep 07 2005 span nbsp 0183 32 just taking a quick look i would have guessed the.

tan wire and the white wire formed a feed back loop to control spark timing while the ppl white was the reference pulse off the pickup coil to the ecm but i would need to look it over closer and possibly tbi fuel injection conversion using a gm tbi efi system one of the most popular efi conversions to older chevy engines or any engine for that matter is the gm tbi system using the 1227747 ecm there are many others that will do the same thing but the 1227747 is most well known and documented and will be the basis for this article span class news dt sep 18 2012 span nbsp 0183 32 re 88 350 tbi timing ignition problem 12 04 04 02 14 am post 566016 in response to 1983g20van very true about the pickup coil if it has an open or broke wire it won t run but the pickup coil can develop shorted turns there is no way to check for this with a dvm or continuity tester span class news dt aug 03 2014.

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