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Old 09-20-2015, 06:31 PM   #5 (permalink)
Diesel Champ
Join Date: Jun 2009
Location: Seattle, WA
Posts: 1,627

Originally Posted by Diaric View Post
Your truck is mechanical, nothing changes the timing except the inside of the injection pump.

What your saying happened, should never be able to happen.
Forgetting about the cold advance solenoid, Rich?

To the OP:

There are two solenoids on the IP, one is a high-idle which presses on the 'throttle' plate and the other adjusts the IP internally for more advance.

Depending on how your timing is set currently, more advance could mean it feels like it has more power, or less. There is a switch in one of the heads (I believe passenger side rear?) that controls both the high idle and cold advance, it should have 12v hot on one side of the switch and thus it provides 12v to these solenoids when the motor is cool.

Could be that you're unplugging these as well when you unplug the glow controller?
2003 Corvette Coupe, Quicksilver metallic, 6spd.
2005 Trailblazer 4.6L 4x4
1985 C30 Silverado, TH400, 6.2L all stock (except all mechanical gauges) w/ utility bed. SOLD
1997 Isuzu Rodeo 3.2L V6, 5spd, 4x4, brush guard, "Snowpacalype Beater" SOLD

Originally Posted by IamDave0887 View Post
Trios is right.
Originally Posted by Diaric View Post
x2 Trios is right lol

Last edited by Trios; 09-20-2015 at 06:31 PM.
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