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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
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I am trying to get this info husband. We have a 1999 GMC

Customer Question

Hi my name is***** am trying to get this info for my husband. We have a 1999 GMC 1500 sierra 4.3 pickup. We need to diaable the system.
JA: What is the model of your '99 Chevy?
Customer: It is a 1999 gmc sierra 1500 4.3 motor
JA: How many miles are on the car? Is it an automatic or a manual transmission?
Customer: It is an automatic
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: He has taken it apart and has exposed the three wires that go to the switch
JA: Anything else you think the mechanic should know?
Customer: Red and white stripe wire, one yellow wire, one orange wire with black stripe
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.
Submitted: 3 months ago.
Category: Chevy
Expert:  Kavey replied 3 months ago.

Hello. My name is ***** ***** I will be helping you today.

You mean the passlock system? Do you not have the original key?

Customer: replied 3 months ago.
we have the original key but my husband replased the fuel lines that go to the spider and to do this he unhooked the battery. Did the repair and the truck wouldn,t crank. Turned on the key let it sit for 10 min and restarted and it would crank. The security light came on again . redid the steps but now it will not crank at all.
Expert:  Kavey replied 3 months ago.

OK. Does he have a multimeter? You probably just need to relearn the key if anything. You would have to do that anyway to bypass it (just using a resistor instead of the key)