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Randall C
Randall C, ASE Master Tech
Category: Chevy
Satisfied Customers: 12803
Experience:  ASE Master, L1, 32 years, Diagnostic / Electrical Specialist
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Rtying to get a daigram of the ignition wiring, no wiring

Customer Question

hi Pearl, rtying to get a daigram of the ignition wiring
JA: Have you checked all the fuses? Do you have a wiring diagram?
Customer: no wiring diagram
JA: What is the model/year of your Chevy?
Customer: '88 G20 getaway
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: yes
JA: Anything else you think the mechanic should know?
Customer: no
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: 1 year ago.
Category: Chevy
Expert:  Randall C replied 1 year ago.

Hello, igniton so what area/ starter? fuse panels? or another area

Customer: replied 1 year ago.
im trying to identify my starter motor wire, battery and ignition wires.
Customer: replied 1 year ago.
mare or less trying to get the old girl started so i can get it to the shop.
Expert:  Randall C replied 1 year ago.

engine size?

Customer: replied 1 year ago.
5.7l v8
Expert:  Randall C replied 1 year ago.

bear with me a couple minutes

Customer: replied 1 year ago.
no problem
Customer: replied 1 year ago.
is it ok you email me the diagram?
Expert:  Randall C replied 1 year ago.

ok, diagrams are very crude back then, I have attached the GM diagram but let me explain the system,

You have a junction block mounted on the firewall, Where the battery power all links up. You have then a few fuse links at that junction block, A red wire runs from there to the ignition switch, You turn key to CRANK and the switch send power on the PURPLE wire to the starter, so, if you check for power on the purple wire at stater while someone holds key to CRANK, you should have power, if none? get under dah and backprobe both RED wires at the ignition switch, If power? then switch is bad, if no power? then fuse link is bad at the junction block on the firewall. Here is diagram but is hard to read, I just know all the circuits after 38 years at this. I just tried to upload and is not working, does my description help

Customer: replied 1 year ago.
possibly mate theres a lot of wires there. thanks for the help but ive gotta go. ill have to come back and chat another time.
Expert:  Randall C replied 1 year ago.

do not understand, I thought we could work through this and I sent detailed information, ok, I will opt out