89 7.3 IDI Wiring issue - Ford Powerstroke Diesel Forum
7.3L IDI (Non-Powerstroke) Diesels Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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post #1 of 1 Old 03-30-2011, 05:54 PM Thread Starter
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89 7.3 IDI Wiring issue

hey y'all.
i have a rear brake/blinker not working. passenger side. have changed bulb(obviosly). no go. it hasn't worked for a while but just recently found out.

tested the socket to see if i was getting power to the bulb-NEGATIVE.
checked at the connector going back-NEGATIVE.
checked at the inside firewall-POSITIVE.
cleaned all of the connectors and re-greased them. still NEGATIVE.
could the socket be bad?
any help is great.
also i don't have a wiring diagram due to having no book.
ORANGE W/BLUE stripe if i'm not mistaken is the wire for the passenger side.
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