Recent content by dsteelejr

  1. dsteelejr

    Bolt hole pattern on the front of the heads

    I have an ‘88 K5 that is 100% stock with 276k miles on the original TBI 350. I’m going to be replacing that 350 with a SBC 400 with an Edelbrock top end kit and Pro Flo 4. The Blazer still has working A/C and I want to keep it working after the swap. I have a set of Edelbrock 5089 heads, which...
  2. dsteelejr

    Fuel gauge troubleshooting

    I’ve never heard of an output test either, but in the spirit of checking everything I tested it and would’ve expected 12V in, 12V out. I checked the terminal on the plug that plugs into the switch and it’s getting the same 8.5V I measured at the prong on the gauge going to the sending unit. I’m...
  3. dsteelejr

    Fuel gauge troubleshooting

    1973 C20 with factory dual tanks. The truck has been in my family since ‘84 and most everything is factory or stock. The wiring is not modified or hacked up. The fuel gauge worked fine for both tanks until one day the needle started pointing to the 3 o’ clock position for both tanks. I am aware...
  4. dsteelejr

    What is this? Asking for a friend

    Not sure what transmission he had, but I’ll bet you’re right, it’s probably for cruise control and possibly lock up torque converter
  5. dsteelejr

    What is this? Asking for a friend

    Orange for the power feed into the switch and white for the switched power to active the brakes lights
  6. dsteelejr

    What is this? Asking for a friend

    I don’t think the truck did. It’s a ‘78 and as far as I know cruise came out in the 81+ years, correct me if I’m wrong. But the column was out of an ‘86 and may have been in a truck with cruise.
  7. dsteelejr

    What is this? Asking for a friend

    My buddy has a ‘78 that’s been Frankensteined by POs. Hes doing a steering column swap and asked me what this is. My guess is a brake light switch, but wires are wrong color. Any ideas?
  8. dsteelejr

    What does these green and blue wires go to

    Reverse lights
  9. dsteelejr

    New engine installed - need TBI timing/idle help

    This is on my ‘88 K5 with a 350. Everything is 100% stock and unmodified. The brown wire is near the bulkhead connector. Hope this helps.
  10. dsteelejr

    LED conversion

    Headlights and turn signals are on separate circuits, I don’t see how adding headlights would affect turn signals. You only had problems with the turn signals after installing LED head lights? I still use sealed beam halogen headlights, but I had issues with the LED side marker/turn light when...
  11. dsteelejr

    Where can I buy the warning light lens like fasten seat belt choke lens and 4x4 lights lens

    I know I haven’t seen it all and that’s the first low coolant one I’ve ever seen. Any idea what year or application it’s for?
  12. dsteelejr

    Where can I buy the warning light lens like fasten seat belt choke lens and 4x4 lights lens

    I have a ‘73, ‘80, ‘88, and at one time had an ‘84. I’ve never seen a square with a low coolant warning light or a provision for a coolant level sensors. They’re called tell tale lights and generally they are brake, fasten seatbelt, four wheel drive, and choke. Later, on TBI engines, choke was...
  13. dsteelejr

    gear ratio

    Those codes don’t tell you the gear ratio. Your best bet is to remove the differential cover and count the teeth on the ring and pinion gears.
  14. dsteelejr

    Dash blinker lights glow when the marker lights are on.

    I fought the LED fight with my ‘80 K25 three and half years ago using LED bulbs from Amazon. Not for style, but just to have better, brighter exterior lighting. The front turn/park LED lights worked fine, but the side turn / marker lights only blinked with parking lights off. I messed around...
  15. dsteelejr

    Which posi unit do you like?

    Just some opinion here based on my own meandering experience. My ‘80 K25 has a Detroit locker in the rear and a TruTrac upfront. My ‘73 C20 has the factory locking diff (RPO G86, it’s not a G80 locker), which is a clutch pack style limited slip. My ‘80 K25 is my work horse and off road truck so...
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