Where is timing bypass on 1997 Chevrolet 350 truck

Asked by Apr 06, 2015 at 10:47 AM about the 1997 Chevrolet C/K 1500 Cheyenne Extended Cab 4WD

Question type: Maintenance & Repair

Trying to reset timing on truck after replacing heads. Need to locate the timing bypass plug in order to set timing.

7 Answers

8,175

The 1997 timing should be set to zero @#1 tdc What is a timing bypass plug, never heard of it.

I have seen it now called a timing bypass plug, timing advance plug, and a spout connector. Evidently it "resets" the timing or stops it from advancing itself automatically. I am NOT the one working on it, my husband and son-in-law are. SOL is the mechanic, but still a young mechanic. He has no problem getting the timing set where it should be, but after getting valves adjusted correctly, apparently they feel the timing is keeping if from turning over (it is trying). Hence, he needs to find this wire to unplug.

Evidently it is specific to years, and sometimes under the dash, and sometimes under the hood by the firewall, whatever that is. But it is specifically a tan/brown wire with white stripe sometimes, and all by itself. Thanks for trying to help!

8,175

This is the ignition schematic for that engine and year

1 of 1 people found this helpful.

ok, thanks a bunch!!

12,750

a Haynes manual should show that, it did on my ford ranger.

20,355

There isn't one on the 96+ chevy trucks. You have to set it with the appropriate scan tool with the cam retard at 0 degrees.

1 of 1 people found this helpful.

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