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Pontiac Forum: no start no fuel no crank
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Old October 9th, 2018, 03:50 PM
jimdandy412 jimdandy412 is offline
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no start no fuel no crank

alrighty here i'am lookin for some help....got 94 formula lt1auto...heres whats up...key in ignition all dash lights up except security light and no ses light and no fuel pump prime...and no crank...turn key to start,,,nothing ..i can here a relay clicking under dash and in fuse box under hood...okay...things i have done...i have pulled driver side side kick panel and got the fuel pump relay out and i have done same on passenger side and i have the theft deterent relay out...if i put a 12v jumper on pink wire on fuel relay i get fuel pump prime and the pcm turns on ? and security and ses light comes on security does its 5 sec passkey check and security light goes out...like normal..turn key for start nothing...so from there i left the hot wire on fuel relay and went to theft deterent relay and jumped the yellow and purple wire....now the starter cranks the motor but yet no start...cranks but no start....i'm relay lost here ..i have been tryin to get this for 10days now....i'm lost...help
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Old October 10th, 2018, 09:26 AM
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melsg5 melsg5 is offline
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try this link, it's down at the moment but hopefully will come back, it covers 5.7 no start issues.
https://troubleshootmyvehicle.com/gm...t-a-no-start-1
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