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Search took 0.49 seconds. Search: Posts Made By: LPete
Forum: Members Helping Members 05-18-2022, 07:57 PM
Replies: 11
Views: 1,043
Posted By LPete
The green/orange wire is used by the PCM to...

The green/orange wire is used by the PCM to ground the bulb and turn it on. If other warning lights in the cluster work, the MIL probably has power. You could ground the green/orange wire and the...
Forum: Pontiac - Street 05-10-2022, 12:51 AM
Replies: 82
Views: 6,831
Posted By LPete
It looks like you’re ready to pull the head off?...

It looks like you’re ready to pull the head off? I’d urge you to do a leakdown test before you do that. You’ll see bubbles in the coolant if the gasket is leaking (or the head is cracked). If you...
Forum: Pontiac - Street 05-08-2022, 10:57 PM
Replies: 82
Views: 6,831
Posted By LPete
Your gauge said 225, you shut the engine off,...

Your gauge said 225, you shut the engine off, still with the radiator cap off, and it didn’t blow coolant all over? 50/50 antifreeze/water boils at about 223, and I’d think it would have instantly...
Forum: Pontiac - Street 05-08-2022, 06:38 PM
Replies: 82
Views: 6,831
Posted By LPete
You can have the radiator cap off when the gauge...

You can have the radiator cap off when the gauge says 250? The gauge is lying if that’s true.
Forum: THE LOBBY 11-07-2021, 11:38 AM
Replies: 28
Views: 3,545
Posted By LPete
It’d be interesting when it doesn’t start to hold...

It’d be interesting when it doesn’t start to hold the throttle wide open and see if it starts (treating it like it’s flooded). Some models seem to flood when started cold a couple times and not run...
Forum: 74-76 Firebird & TA TECH 10-30-2021, 11:38 PM
Replies: 27
Views: 4,284
Posted By LPete
EGR was turned off with the engine cold, not on....

EGR was turned off with the engine cold, not on. Driveability suffered with EGR activating before the engine was warm.
Forum: Heating & Cooling TECH 09-15-2021, 08:56 AM
Replies: 13
Views: 2,283
Posted By LPete
That’s correct. I wonder if the “run” and...

That’s correct. I wonder if the “run” and “accessory” wires are switched at the ignition switch. Is the ignition coil also hot in accessory? The alternator field? They shouldn’t be.
Forum: Heating & Cooling TECH 09-14-2021, 07:56 PM
Replies: 13
Views: 2,283
Posted By LPete
No, sorry, but they’re not. A temp switch is a...

No, sorry, but they’re not. A temp switch is a real switch — on or off. A temp sensor is a thermistor, which varies its resistance depending on temp. Same with an oil pressure switch vs pressure...
Forum: Heating & Cooling TECH 09-14-2021, 03:31 PM
Replies: 13
Views: 2,283
Posted By LPete
I don’t think so…the oil pressure light comes on...

I don’t think so…the oil pressure light comes on with the engine off because there’s no oil pressure and the oil pressure switch is closed. The temp light comes on in the start position because the...
Forum: Heating & Cooling TECH 09-12-2021, 11:45 AM
Replies: 13
Views: 2,283
Posted By LPete
The circuit to the temp sensor is grounded by the...

The circuit to the temp sensor is grounded by the ignition switch in the start position to test the bulb.
Forum: Pontiac - Street 06-02-2021, 07:47 PM
Replies: 21
Views: 4,963
Posted By LPete
If it still has a catalyst on it, they can mimic...

If it still has a catalyst on it, they can mimic fuel starvation if plugged. Not sure this fits the symptoms, though, without driving it.
Forum: Members Helping Members 05-08-2021, 10:57 PM
Replies: 13
Views: 2,297
Posted By LPete
Maybe...I was guessing at 1/2 ton, since you...

Maybe...I was guessing at 1/2 ton, since you didn’t say. Lots of choices.
Forum: Members Helping Members 05-08-2021, 10:53 PM
Replies: 13
Views: 2,297
Posted By LPete
Ah, I was looking at the whole lamp assy. They...

Ah, I was looking at the whole lamp assy. They show both of those.
Forum: Members Helping Members 05-08-2021, 10:36 PM
Replies: 13
Views: 2,297
Posted By LPete
It looks like Rock Auto has both versions.

It looks like Rock Auto has both versions.
Forum: Members Helping Members 05-08-2021, 08:54 PM
Replies: 13
Views: 2,297
Posted By LPete
The 921 has one filament, and the 3047 has two....

The 921 has one filament, and the 3047 has two. Something other than just the bulb is different.
Forum: Pontiac - Street 05-08-2021, 04:02 PM
Replies: 20
Views: 3,319
Posted By LPete
I’m not sure that’s necessarily true. It could...

I’m not sure that’s necessarily true. It could be, though. The odometer is strictly a mechanical connection, so it is what it is, but the speedometer needle is driven magnetically, with no mechanical...
Forum: Electrical Tech 12-06-2020, 05:03 PM
Replies: 44
Views: 3,946
Posted By LPete
Try unplugging the headlight switch.

Try unplugging the headlight switch.
Forum: Electrical Tech 12-06-2020, 01:56 PM
Replies: 44
Views: 3,946
Posted By LPete
That’s about right for a glovebox light, if you...

That’s about right for a glovebox light, if you have one. Somebody might have mentioned that — it’s a common culprit.

Alternator diodes leak current, so you’ll never see zero unless the...
Forum: Electrical Tech 12-06-2020, 01:10 PM
Replies: 44
Views: 3,946
Posted By LPete
It’s not likely to be a ground problem. Something...

It’s not likely to be a ground problem. Something is drawing a quarter of an amp. It should be les than .025 amps, .050 amps at the outside. Unplugging fuses is a good idea, as is disconnecting the...
Forum: Electrical Tech 12-06-2020, 11:19 AM
Replies: 44
Views: 3,946
Posted By LPete
I like to wire an old headlight up with leads and...

I like to wire an old headlight up with leads and alligator clips, and hook it up between the disconnected battery cable and the battery post. When the draw is happening the light will be bright, and...
Forum: 68-69 GTO Tempest & LeMans TECH 11-26-2020, 02:08 PM
Replies: 12
Views: 1,022
Posted By LPete
I think you’re going to have a rough time getting...

I think you’re going to have a rough time getting it to work right. The loop on the end has to be at exactly the right height based on temperature. It might be smart to get a new choke stove. The...
Forum: 68-69 GTO Tempest & LeMans TECH 11-26-2020, 11:53 AM
Replies: 12
Views: 1,022
Posted By LPete
Are you saying that the coil in the choke stove...

Are you saying that the coil in the choke stove unrolled somehow? That’s a bimetallic strip, so its curvature changes as the temperature changes. I’m not sure it’ll work right if you unrolled it and...
Forum: 70-73 Firebird & TA TECH 11-26-2020, 11:33 AM
Replies: 17
Views: 753
Posted By LPete
You could take a piece of wire and ground one...

You could take a piece of wire and ground one end, then touch the other end to the metal shell of the bulb in the socket and see if it fixes the problem. That would quickly point you in the right...
Forum: Pontiac - Street 11-15-2020, 12:17 PM
Replies: 34
Views: 2,247
Posted By LPete
Multi-viscosity oil doesn’t get thicker as it...

Multi-viscosity oil doesn’t get thicker as it warms up, it just doesn’t thin out as much. I’m not sure it really matters, but in my mind it makes sense to change it warm.
Forum: Pontiac - Street 05-18-2020, 10:51 PM
Replies: 54
Views: 9,791
Posted By LPete
OP, did you drill a hole in the thermostat to...

OP, did you drill a hole in the thermostat to bleed air?
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