89 chevy suburban- possibly loose ground.. - Automotive Wiring and Electrical


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89 chevy suburban- possibly loose ground..

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jjnelson
New User

Feb 12, 2013, 3:15 PM

Post #1 of 4 (1571 views)

89 chevy suburban- possibly loose ground..	Sign In

last year was having all kinds of trouble ,,, ended up being the computer ,, replaced with new one ,, ever since interior dome lights will not work not a fuse already checked... and also since computer replacement everytime starting truck radio and clock resets as if battery has been unplugged but has not been... how do i figure out which wire is loose or shorted out and will this keep truck from passing smog test ... any info please thanks in advance jamie

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 12, 2013, 4:56 PM

Post #2 of 4 (1530 views)

Re: 89 chevy suburban- possibly loose ground..	Sign In

Check all your fuses with a test light again. There is a separate fuse for the "keep alive" memory for the radio.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Discretesignals
Ultimate Carjunky / Moderator
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Feb 12, 2013, 6:16 PM

Post #3 of 4 (1518 views)

Re: 89 chevy suburban- possibly loose ground..	Sign In

Also make sure that your battery connections are clean and tight. If you have a poor connection, the starter could drop the voltage enough to reset everything during cranking.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Feb 13, 2013, 11:10 AM

Post #4 of 4 (1494 views)

Re: 89 chevy suburban- possibly loose ground..	Sign In

Wild maybe but had the problem once like and was the rubber block with all the wiring thru firewall with a zillion connections there covered in white grease. When the load of starting it lost contact enough for other items inside. That was an '89 GM van by chance and just a slight twist on the male spades of the connections made all contacts work properly again.

As said a wild maybe??

T

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